{"source":"polymarket","id":"888403","ticker":"lowest-temperature-in-chicago-on-august-23-2026","slug":"lowest-temperature-in-chicago-on-august-23-2026","title":"Lowest temperature in Chicago on August 23?","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":348.231468,"volume_24hr":333.221468,"volume_24h_change":null,"normalized_vol_24hr":12.732643127441406,"normalized_volume":7.806124687194824,"liquidity":4222.05442,"open_interest":1241.841464,"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":"100770","slug":"chicago","label":"Chicago"},{"id":"103040","slug":"daily-temperature","label":"Daily Temperature"},{"id":"104597","slug":"lowest-temperature","label":"Lowest temperature"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"51°F or below","top_outcome_probability":0.455,"top_outcome_prob_24h_change":0.14500000000000002,"top_outcome_volume_24h_change":17.0,"updated_at":"2026-08-23T06:37:26.457686Z","fetched_at":"2026-08-23T06:37:26.457686Z","added_at":"2026-08-22T04:42:11.758540Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026","chart_24h":[15.01,15.01,40.01,65.02,77.02,77.02,77.02,77.02,77.02,77.02,77.02,83.02,103.250768,103.250768,103.250768,103.250768,103.250768,103.250768,103.250768,113.250768,113.250768,128.231468,128.231468,128.231468,128.231468,128.231468,128.231468,113.221468,333.221468],"markets":[{"source":"polymarket","id":"3773200","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-51forbelow","question":"Will the lowest temperature in Chicago be 51°F or below on August 23?","group_item_title":"51°F or below","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.455,0.545],"probability":0.455,"spread":0.91,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":17.0,"volume_24hr":17.0,"prob_24h_change":0.14500000000000002,"volume_24h_change":17.0,"normalized_vol_24hr":3.2934720516204834,"normalized_volume":2.4510693550109863,"liquidity":4.5297,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T05:19:07.127981Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-51forbelow","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.31,0.2,0.015,0.015,0.28,0.29,0.285,0.225,0.235,0.265,0.355,0.43,0.435,0.455,0.435,0.455,0.455]},{"source":"polymarket","id":"3773204","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-58-59f","question":"Will the lowest temperature in Chicago be between 58-59°F on August 23?","group_item_title":"58-59°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.335,0.665],"probability":0.335,"spread":0.63,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":5.0,"volume_24hr":5.0,"prob_24h_change":0.020000000000000018,"volume_24h_change":5.0,"normalized_vol_24hr":1.2656277418136597,"normalized_volume":0.9419060945510864,"liquidity":14.2454,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T05:46:33.021567Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-58-59f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.315,0.365,0.38,0.34,0.315,0.335,0.33,0.335,0.345,0.35,0.33,0.32,0.34,0.35,0.37,0.375,0.39,0.235,0.32,0.24,0.19,0.2,0.255,0.215,0.335,0.335]},{"source":"polymarket","id":"3773205","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-60-61f","question":"Will the lowest temperature in Chicago be between 60-61°F on August 23?","group_item_title":"60-61°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.335,0.665],"probability":0.335,"spread":0.63,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":5.0,"volume_24hr":5.0,"prob_24h_change":-0.05499999999999999,"volume_24h_change":5.0,"normalized_vol_24hr":1.2656277418136597,"normalized_volume":0.9419060945510864,"liquidity":15.7453,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T05:19:07.127981Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-60-61f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.39,0.425,0.44,0.435,0.41,0.425,0.4,0.41,0.415,0.42,0.385,0.4,0.4,0.395,0.4,0.555,0.525,0.41,0.46,0.485,0.485,0.44,0.33,0.325,0.325,0.335,0.335]},{"source":"polymarket","id":"3773206","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-62-63f","question":"Will the lowest temperature in Chicago be between 62-63°F on August 23?","group_item_title":"62-63°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.325,0.675],"probability":0.325,"spread":0.63,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":20.230768,"volume_24hr":20.230768,"prob_24h_change":0.08000000000000002,"volume_24h_change":20.230768,"normalized_vol_24hr":3.680419683456421,"normalized_volume":2.739043712615967,"liquidity":16.1,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T05:46:33.021567Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-62-63f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.245,0.23,0.21,0.195,0.2,0.23,0.22,0.245,0.23,0.225,0.215,0.17,0.29,0.24,0.39,0.375,0.37,0.36,0.37,0.36,0.39,0.38,0.385,0.38,0.345,0.38,0.325,0.325]},{"source":"polymarket","id":"3773201","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-52-53f","question":"Will the lowest temperature in Chicago be between 52-53°F on August 23?","group_item_title":"52-53°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.22,0.78],"probability":0.22,"spread":0.42,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":6.0,"volume_24hr":6.0,"prob_24h_change":-0.01999999999999999,"volume_24h_change":6.0,"normalized_vol_24hr":1.492767333984375,"normalized_volume":1.110948085784912,"liquidity":27.8872,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T01:10:16.829295Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-52-53f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.24,0.225,0.205,0.19,0.145,0.08,0.075,0.28,0.28,0.245,0.24,0.195,0.225,0.215,0.22,0.22,0.22,0.22]},{"source":"polymarket","id":"3773209","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-68-69f","question":"Will the lowest temperature in Chicago be between 68-69°F on August 23?","group_item_title":"68-69°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":144.9903,"volume_24hr":139.9903,"prob_24h_change":-0.2395,"volume_24h_change":134.9903,"normalized_vol_24hr":9.654443740844727,"normalized_volume":7.286586284637451,"liquidity":1968.19917,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:42:42.728221Z","fetched_at":"2026-08-23T06:37:26.885377Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-68-69f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.24,0.22,0.2,0.19,0.195,0.185,0.19,0.195,0.19,0.175,0.11,0.07,0.195,0.35,0.265,0.24,0.25,0.225,0.285,0.275,0.46,0.43,0.435,0.465,0.44,0.0055,0.0005]},{"source":"polymarket","id":"3773210","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-70forhigher","question":"Will the lowest temperature in Chicago be 70°F or higher on August 23?","group_item_title":"70°F or higher","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":150.0104,"volume_24hr":140.0004,"prob_24h_change":-0.2245,"volume_24h_change":129.99040000000002,"normalized_vol_24hr":9.654723167419434,"normalized_volume":7.385787010192871,"liquidity":1748.81479,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T06:11:42.822268Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-70forhigher","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.225,0.045,0.03,0.025,0.01,0.02,0.035,0.02,0.035,0.02,0.02,0.025,0.02,0.37,0.285,0.32,0.37,0.235,0.245,0.28,0.425,0.43,0.44,0.465,0.44,0.0035,0.0005]},{"source":"polymarket","id":"3773202","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-54-55f","question":"Will the lowest temperature in Chicago be between 54-55°F on August 23?","group_item_title":"54-55°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.33,0.67],"probability":0.33,"spread":0.64,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.08500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":11.9998,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T01:10:16.829295Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-54-55f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.245,0.23,0.205,0.2,0.175,0.13,0.095,0.11,0.095,0.1,0.095,0.1,0.115,0.09,0.29,0.27,0.25,0.225,0.185,0.225,0.285,0.33,0.33,0.33,0.33]},{"source":"polymarket","id":"3773203","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-56-57f","question":"Will the lowest temperature in Chicago be between 56-57°F on August 23?","group_item_title":"56-57°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.33,0.67],"probability":0.33,"spread":0.64,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.08500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":11.9997,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T01:10:16.829295Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-56-57f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.245,0.22,0.205,0.2,0.18,0.135,0.22,0.215,0.22,0.21,0.2,0.165,0.135,0.23,0.24,0.28,0.265,0.24,0.225,0.19,0.225,0.285,0.33,0.33,0.33]},{"source":"polymarket","id":"3773207","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-64-65f","question":"Will the lowest temperature in Chicago be between 64-65°F on August 23?","group_item_title":"64-65°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.33,0.67],"probability":0.33,"spread":0.64,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.08500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":12.6996,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T01:10:16.829295Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-64-65f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.245,0.225,0.21,0.185,0.16,0.12,0.095,0.09,0.095,0.085,0.085,0.08,0.095,0.085,0.275,0.28,0.255,0.235,0.19,0.24,0.28,0.33,0.33,0.33,0.33]},{"source":"polymarket","id":"3773208","event_id":"888403","slug":"lowest-temperature-in-chicago-on-august-23-2026-66-67f","question":"Will the lowest temperature in Chicago be between 66-67°F on August 23?","group_item_title":"66-67°F","description":"This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Aug '26.\n\nThe resolution source for this market will be information from NOAA, specifically the lowest reading under the \"Temp\" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord\n\nTo toggle between Fahrenheit and Celsius, click the \"Switch to US Units w/ kts\" button until the relevant table displays °F.\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/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-chicago-on-december-5-IoEGq9msnWg6.jpg","outcomes":["Yes","No"],"outcome_prices":[0.33,0.67],"probability":0.33,"spread":0.64,"active":true,"closed":false,"start_date":"2026-08-22T04:29:01Z","end_date":"2026-08-23T12:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.08500000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":11.1997,"categories":["Climate and Weather"],"countries":["United States"],"updated_at":"2026-08-23T06:38:55.664399Z","fetched_at":"2026-08-23T01:10:16.829295Z","added_at":"2026-08-22T04:42:11.911732Z","url":"https://polymarket.com/event/lowest-temperature-in-chicago-on-august-23-2026/lowest-temperature-in-chicago-on-august-23-2026-66-67f","event_title":"Lowest temperature in Chicago on August 23?","chart_24h":[0.245,0.23,0.21,0.175,0.16,0.12,0.08,0.105,0.1,0.08,0.08,0.085,0.09,0.275,0.28,0.255,0.225,0.19,0.225,0.28,0.33,0.33,0.33]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/888403","as_of":"2026-08-23T07:02:39.581103Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Lowest temperature in Chicago on August 23?\" — top market at 0% probability across 11 outcomes","source_url":null}}