{"source":"polymarket","id":"723602","ticker":"highest-temperature-in-san-francisco-on-july-21-2026","slug":"highest-temperature-in-san-francisco-on-july-21-2026","title":"Highest temperature in San Francisco on July 21?","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":31784.169659,"volume_24hr":24719.065485000003,"volume_24h_change":null,"normalized_vol_24hr":43.18317794799805,"normalized_volume":21.82905387878418,"liquidity":30125.34822,"open_interest":19576.024833,"categories":["Climate and Weather"],"tags":[{"id":"84","slug":"weather","label":"Weather"},{"id":"101757","slug":"recurring","label":"Recurring"},{"id":"102169","slug":"hide-from-new","label":"Hide From New"},{"id":"103040","slug":"daily-temperature","label":"Daily Temperature"},{"id":"101472","slug":"san-fransisco","label":"San Fransisco"},{"id":"104596","slug":"highest-temperature","label":"Highest temperature"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"81°F or below","top_outcome_probability":0.645,"top_outcome_prob_24h_change":0.050000000000000044,"top_outcome_volume_24h_change":8851.252209000002,"updated_at":"2026-07-21T07:59:25.052831Z","fetched_at":"2026-07-21T07:59:25.052831Z","added_at":"2026-07-20T01:40:49.623043Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026","chart_24h":[7848.664486,9211.012792,9227.012792,9266.152791999999,9271.152791999999,9463.083636,9685.666589999999,9768.493054999999,10028.767918,10094.067918,10666.777918,10731.515793,11081.9686,11277.173637,11970.618632,12124.917188,12253.904964,12925.586185999999,13733.940838999999,15455.602695,16003.903854,16072.443854,16554.705995,16759.371049999998,16783.93105,17562.823377,18049.513627,16228.672188999999,20595.170817000002,21079.595364,21878.720256,22276.642457,22426.410122,22766.251952000002,24616.668039,24946.671805,24996.830478,24851.920506000002],"markets":[{"source":"polymarket","id":"2995491","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-81forbelow","question":"Will the highest temperature in San Francisco be 81°F or below on July 21?","group_item_title":"81°F or below","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.645,0.355],"probability":0.645,"spread":0.03,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":10744.165066000001,"volume_24hr":9820.195358000003,"prob_24h_change":0.050000000000000044,"volume_24h_change":8851.252209000002,"normalized_vol_24hr":35.65896224975586,"normalized_volume":23.92633628845215,"liquidity":1310.0329,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T08:00:52.412911Z","fetched_at":"2026-07-21T07:59:25.327324Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-81forbelow","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.595,0.585,0.575,0.565,0.57,0.575,0.58,0.59,0.595,0.65,0.635,0.65,0.635,0.635,0.635,0.645,0.625,0.565,0.56,0.535,0.55,0.555,0.55,0.56,0.595,0.595,0.625,0.715,0.81,0.745,0.73,0.73,0.725,0.645,0.635,0.635,0.655]},{"source":"polymarket","id":"2995492","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-82-83f","question":"Will the highest temperature in San Francisco be between 82-83°F on July 21?","group_item_title":"82-83°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.215,0.785],"probability":0.215,"spread":0.03,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":3334.612753000001,"volume_24hr":3082.035723,"prob_24h_change":-0.07999999999999999,"volume_24h_change":2829.458693,"normalized_vol_24hr":27.2363224029541,"normalized_volume":18.27566909790039,"liquidity":2277.4305,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T08:00:52.412911Z","fetched_at":"2026-07-21T07:59:25.327324Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-82-83f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.295,0.295,0.295,0.295,0.295,0.305,0.3,0.29,0.285,0.28,0.28,0.25,0.245,0.245,0.245,0.245,0.255,0.255,0.29,0.285,0.275,0.255,0.255,0.17,0.105,0.085,0.12,0.135,0.15,0.195,0.21,0.205,0.215]},{"source":"polymarket","id":"2995493","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-84-85f","question":"Will the highest temperature in San Francisco be between 84-85°F on July 21?","group_item_title":"84-85°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.108,0.892],"probability":0.108,"spread":0.09,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":2738.0707549999997,"volume_24hr":2359.660678,"prob_24h_change":-0.013999999999999999,"volume_24h_change":1825.6967600000003,"normalized_vol_24hr":25.4561767578125,"normalized_volume":17.3986759185791,"liquidity":569.55512,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T08:00:52.412911Z","fetched_at":"2026-07-21T07:59:25.327324Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-84-85f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.122,0.116,0.1255,0.1255,0.1105,0.1295,0.1295,0.098,0.097,0.084,0.081,0.0805,0.0815,0.0975,0.107,0.1225,0.1165,0.128,0.137,0.1505,0.1485,0.147,0.1495,0.1285,0.1285,0.134,0.075,0.0595,0.057,0.089,0.073,0.071,0.1065,0.1135,0.1115,0.099]},{"source":"polymarket","id":"2995494","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-86-87f","question":"Will the highest temperature in San Francisco be between 86-87°F on July 21?","group_item_title":"86-87°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.013,0.987],"probability":0.013,"spread":0.014,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":7571.686467999997,"volume_24hr":4913.221659000001,"prob_24h_change":0.009999999999999998,"volume_24h_change":1671.7238200000006,"normalized_vol_24hr":30.48926544189453,"normalized_volume":22.15645408630371,"liquidity":904.92394,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T08:00:52.412911Z","fetched_at":"2026-07-21T07:59:25.327324Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-86-87f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.003,0.0205,0.0105,0.0075,0.007,0.008,0.0295,0.03,0.029,0.016,0.0165,0.0195,0.016,0.0155,0.0145,0.019,0.0155,0.0185,0.014,0.0145,0.0145,0.0145,0.0125,0.0125,0.012,0.015,0.0105,0.0125,0.0125,0.013,0.013,0.015,0.015]},{"source":"polymarket","id":"2995495","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-88-89f","question":"Will the highest temperature in San Francisco be between 88-89°F on July 21?","group_item_title":"88-89°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.008,0.992],"probability":0.008,"spread":0.012,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":2638.191964999999,"volume_24hr":2202.8619649999996,"prob_24h_change":0.0055,"volume_24h_change":1710.5319649999997,"normalized_vol_24hr":25.00762939453125,"normalized_volume":17.235759735107422,"liquidity":1275.42198,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T07:13:35.924549Z","fetched_at":"2026-07-21T07:12:03.002716Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-88-89f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.0025,0.003,0.0035,0.0035,0.0035,0.006,0.0065,0.0065,0.0065,0.0135,0.014,0.0135,0.014,0.0135,0.0115,0.0115,0.01,0.007,0.0025,0.003,0.003,0.003,0.004,0.0115,0.0085,0.008]},{"source":"polymarket","id":"2995496","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-90-91f","question":"Will the highest temperature in San Francisco be between 90-91°F on July 21?","group_item_title":"90-91°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0025,0.9975],"probability":0.0025,"spread":0.003,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":2046.172419,"volume_24hr":1624.3284189999997,"prob_24h_change":-0.0015,"volume_24h_change":1202.4844189999997,"normalized_vol_24hr":23.06835174560547,"normalized_volume":16.142230987548828,"liquidity":5792.29811,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T08:00:19.670260Z","fetched_at":"2026-07-21T06:25:41.195878Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-90-91f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.004,0.003,0.0015,0.0015,0.0015,0.002,0.001,0.0015,0.001,0.001,0.0025,0.002,0.0015,0.0015,0.0015,0.0015,0.0015,0.0025,0.003,0.0025,0.0025,0.003,0.0025]},{"source":"polymarket","id":"2995497","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-92-93f","question":"Will the highest temperature in San Francisco be between 92-93°F on July 21?","group_item_title":"92-93°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":498.013,"volume_24hr":149.99699999999999,"prob_24h_change":-0.003,"volume_24h_change":-198.01899999999998,"normalized_vol_24hr":10.623159408569336,"normalized_volume":10.718268394470215,"liquidity":4153.04188,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T07:43:59.991819Z","fetched_at":"2026-07-21T03:22:00.399028Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-92-93f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.0035,0.0035,0.0025,0.002,0.0015,0.003,0.0045,0.0045,0.0035,0.0035,0.0035,0.0015,0.0035,0.001,0.0025,0.0025,0.002,0.002,0.002,0.001,0.002,0.0015,0.002,0.003,0.0035,0.0035,0.0005,0.0005,0.0005,0.0005,0.0005,0.0005,0.0005]},{"source":"polymarket","id":"2995498","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-94-95f","question":"Will the highest temperature in San Francisco be between 94-95°F on July 21?","group_item_title":"94-95°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":553.151073,"volume_24hr":79.974023,"prob_24h_change":-0.0035,"volume_24h_change":-393.203027,"normalized_vol_24hr":8.148280143737793,"normalized_volume":11.082945823669434,"liquidity":3615.50463,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T06:11:12.134966Z","fetched_at":"2026-07-21T04:38:54.379660Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-94-95f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.004,0.0035,0.0035,0.0035,0.0025,0.0015,0.0005,0.0015,0.0015,0.0005,0.0005,0.0005,0.0005,0.0005]},{"source":"polymarket","id":"2995501","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-100forhigher","question":"Will the highest temperature in San Francisco be 100°F or higher on July 21?","group_item_title":"100°F or higher","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":888.6001600000001,"volume_24hr":486.79066,"prob_24h_change":-0.0005,"volume_24h_change":84.98115999999999,"normalized_vol_24hr":16.169099807739258,"normalized_volume":12.80594539642334,"liquidity":5084.82868,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T04:08:57.649956Z","fetched_at":"2026-07-21T03:37:50.835742Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-100forhigher","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.001,0.0005,0.001,0.001,0.001,0.0005,0.001,0.0005,0.0005,0.001,0.002,0.0025,0.0025,0.0025,0.0025,0.0015,0.0005,0.0005,0.0005]},{"source":"polymarket","id":"2995499","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-96-97f","question":"Will the highest temperature in San Francisco be between 96-97°F on July 21?","group_item_title":"96-97°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":383.251,"volume_24hr":0.0,"prob_24h_change":-0.0005,"volume_24h_change":-383.251,"normalized_vol_24hr":null,"normalized_volume":9.83549976348877,"liquidity":4170.061,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T03:38:31.864556Z","fetched_at":"2026-07-21T03:22:00.399028Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-96-97f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.001,0.0005,0.0005,0.0005,0.0005,0.0005]},{"source":"polymarket","id":"2995500","event_id":"723602","slug":"highest-temperature-in-san-francisco-on-july-21-2026-98-99f","question":"Will the highest temperature in San Francisco be between 98-99°F on July 21?","group_item_title":"98-99°F","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the San Francisco International Airport Station in degrees Fahrenheit on 21 Jul '26.\n\nThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the San Francisco International Airport Station, available here: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve until the first data point for the following date has been published on the resolution source.\n\nThe resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.\n\nRevisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/san-francisco-e705a842df.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-07-20T01:21:14Z","end_date":"2026-07-21T12:00:00Z","closed_time":null,"volume":388.255,"volume_24hr":0.0,"prob_24h_change":-0.0005,"volume_24h_change":-388.255,"normalized_vol_24hr":null,"normalized_volume":9.878313064575195,"liquidity":4400.3401,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-07-21T03:38:31.864556Z","fetched_at":"2026-07-21T03:22:00.399028Z","added_at":"2026-07-20T01:40:49.666134Z","url":"https://polymarket.com/event/highest-temperature-in-san-francisco-on-july-21-2026/highest-temperature-in-san-francisco-on-july-21-2026-98-99f","event_title":"Highest temperature in San Francisco on July 21?","chart_24h":[0.001,0.0005,0.0005,0.0005,0.0005,0.0005]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/723602","as_of":"2026-07-21T08:09:55.365680Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Highest temperature in San Francisco on July 21?\" — top market at 64% probability across 11 outcomes","source_url":null}}