{"source":"polymarket","id":"646506","ticker":"highest-temperature-in-helsinki-on-july-1-2026","slug":"highest-temperature-in-helsinki-on-july-1-2026","title":"Highest temperature in Helsinki on July 1?","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":4860.489788999999,"volume_24hr":4860.489788999999,"volume_24h_change":null,"normalized_vol_24hr":22.530885696411133,"normalized_volume":14.964156150817871,"liquidity":32785.45331,"open_interest":1795.766556,"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":"104440","slug":"helsinki","label":"Helsinki"},{"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":"24°C","top_outcome_probability":0.395,"top_outcome_prob_24h_change":0.11000000000000004,"top_outcome_volume_24h_change":2569.0678609999995,"updated_at":"2026-06-29T12:24:01.535383Z","fetched_at":"2026-06-29T12:24:01.535383Z","added_at":"2026-06-29T04:16:23.856717Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026","chart_24h":[133.134978,168.211933,319.054433,392.199607,767.195457,965.299501,1015.347961,1271.763747,2955.88505,4001.713006,4074.213006,4625.123736,4633.5708079999995,4732.559789],"markets":[{"source":"polymarket","id":"2726050","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-24c","question":"Will the highest temperature in Helsinki be 24°C on July 1?","group_item_title":"24°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.395,0.605],"probability":0.395,"spread":0.03,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":2570.2583359999994,"volume_24hr":2570.2583359999994,"prob_24h_change":0.11000000000000004,"volume_24h_change":2569.0678609999995,"normalized_vol_24hr":20.42416763305664,"normalized_volume":17.97174644470215,"liquidity":6119.5204,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:36.987837Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-24c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.285,0.295,0.31,0.355,0.35,0.36,0.4,0.39,0.395,0.395,0.395]},{"source":"polymarket","id":"2726051","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-25c","question":"Will the highest temperature in Helsinki be 25°C on July 1?","group_item_title":"25°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.255,0.745],"probability":0.255,"spread":0.01,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":445.722586,"volume_24hr":445.722586,"prob_24h_change":0.04500000000000001,"volume_24h_change":444.365486,"normalized_vol_24hr":12.333963394165039,"normalized_volume":10.8529691696167,"liquidity":3428.1239,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:36.987837Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-25c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.21,0.215,0.145,0.13,0.185,0.22,0.24,0.24,0.23,0.24,0.245,0.245]},{"source":"polymarket","id":"2726049","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-23c","question":"Will the highest temperature in Helsinki be 23°C on July 1?","group_item_title":"23°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.165,0.835],"probability":0.165,"spread":0.01,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":127.441762,"volume_24hr":127.441762,"prob_24h_change":-0.06,"volume_24h_change":127.441762,"normalized_vol_24hr":7.809633731842041,"normalized_volume":6.871895790100098,"liquidity":2881.6388,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:19.641458Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-23c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.225,0.215,0.185,0.225,0.195,0.175,0.125,0.13,0.135,0.135,0.17,0.165,0.17,0.175]},{"source":"polymarket","id":"2726048","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-22c","question":"Will the highest temperature in Helsinki be 22°C on July 1?","group_item_title":"22°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.1,0.9],"probability":0.1,"spread":0.04,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":123.96165,"volume_24hr":123.96165000000002,"prob_24h_change":0.045000000000000005,"volume_24h_change":123.96165000000002,"normalized_vol_24hr":7.721521377563477,"normalized_volume":6.794363498687744,"liquidity":2022.0472,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:36.987837Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-22c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.055,0.08,0.11,0.115,0.105,0.135,0.055,0.06,0.06,0.06,0.09,0.09]},{"source":"polymarket","id":"2726052","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-26c","question":"Will the highest temperature in Helsinki be 26°C on July 1?","group_item_title":"26°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.075,0.925],"probability":0.075,"spread":0.03,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":186.874283,"volume_24hr":186.874283,"prob_24h_change":-0.08,"volume_24h_change":182.392183,"normalized_vol_24hr":9.080896377563477,"normalized_volume":7.990512371063232,"liquidity":1816.7641,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:09:02.019861Z","fetched_at":"2026-06-29T12:08:27.943081Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-26c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.155,0.07,0.075,0.11,0.12,0.11,0.105,0.105,0.085,0.075,0.075]},{"source":"polymarket","id":"2726053","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-27c","question":"Will the highest temperature in Helsinki be 27°C on July 1?","group_item_title":"27°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.033,0.967],"probability":0.033,"spread":0.024,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":341.621579,"volume_24hr":341.621579,"prob_24h_change":-0.097,"volume_24h_change":325.516276,"normalized_vol_24hr":11.284723281860352,"normalized_volume":9.929716110229492,"liquidity":1841.13946,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:09:02.019861Z","fetched_at":"2026-06-29T12:08:27.943081Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-27c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.13,0.055,0.05,0.045,0.06,0.06,0.055,0.05,0.045,0.045,0.0405,0.0375,0.043,0.033]},{"source":"polymarket","id":"2726047","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-21c","question":"Will the highest temperature in Helsinki be 21°C on July 1?","group_item_title":"21°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0165,0.9835],"probability":0.0165,"spread":0.005,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":80.054011,"volume_24hr":80.054011,"prob_24h_change":-0.028499999999999998,"volume_24h_change":80.054011,"normalized_vol_24hr":6.398935317993164,"normalized_volume":5.630586624145508,"liquidity":1975.09169,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:19.641458Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-21c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.045,0.045,0.0155,0.0155,0.0415,0.033,0.0265,0.0225,0.02,0.0175,0.0335,0.017]},{"source":"polymarket","id":"2726046","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-20c","question":"Will the highest temperature in Helsinki be 20°C on July 1?","group_item_title":"20°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.0115,0.9885],"probability":0.0115,"spread":0.001,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":279.018635,"volume_24hr":279.018635,"prob_24h_change":-0.004,"volume_24h_change":279.018635,"normalized_vol_24hr":10.517990112304688,"normalized_volume":9.255047798156738,"liquidity":2809.4644,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:36.987837Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-20c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.0155,0.045,0.0115,0.0115,0.011,0.0115,0.0115,0.0115]},{"source":"polymarket","id":"2726054","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-28c","question":"Will the highest temperature in Helsinki be 28°C on July 1?","group_item_title":"28°C","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.007,0.993],"probability":0.007,"spread":0.002,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":214.35500000000002,"volume_24hr":214.355,"prob_24h_change":-0.033,"volume_24h_change":204.355,"normalized_vol_24hr":9.5606107711792,"normalized_volume":8.412625312805176,"liquidity":3011.0519,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:19.641458Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-28c","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.04,0.0315,0.0245,0.015,0.025,0.035,0.009,0.0085,0.008,0.0075]},{"source":"polymarket","id":"2726045","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-19corbelow","question":"Will the highest temperature in Helsinki be 19°C or below on July 1?","group_item_title":"19°C or below","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.004,0.996],"probability":0.004,"spread":0.004,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":45.0,"volume_24hr":45.0,"prob_24h_change":-0.0115,"volume_24h_change":45.0,"normalized_vol_24hr":4.855751991271973,"normalized_volume":4.27269983291626,"liquidity":3056.19489,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:19.641458Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-19corbelow","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.0155,0.0155,0.015,0.0055,0.006,0.006,0.006,0.0045,0.0055,0.0035,0.0055,0.003]},{"source":"polymarket","id":"2726055","event_id":"646506","slug":"highest-temperature-in-helsinki-on-july-1-2026-29corhigher","question":"Will the highest temperature in Helsinki be 29°C or higher on July 1?","group_item_title":"29°C or higher","description":"This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 1 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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.\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 Celsius (eg, 9°C). 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/hel-537d0cb3c2.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/hel-537d0cb3c2.jpg","outcomes":["Yes","No"],"outcome_prices":[0.004,0.996],"probability":0.004,"spread":0.002,"active":true,"closed":false,"start_date":"2026-06-29T04:03:44Z","end_date":"2026-07-01T12:00:00Z","closed_time":null,"volume":462.98773500000004,"volume_24hr":462.98773500000004,"prob_24h_change":-0.0155,"volume_24h_change":362.98773500000004,"normalized_vol_24hr":12.487737655639648,"normalized_volume":10.988279342651367,"liquidity":3832.42759,"categories":["Climate and Weather"],"countries":[],"updated_at":"2026-06-29T12:24:36.987837Z","fetched_at":"2026-06-29T12:24:01.676531Z","added_at":"2026-06-29T04:16:23.899057Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-july-1-2026/highest-temperature-in-helsinki-on-july-1-2026-29corhigher","event_title":"Highest temperature in Helsinki on July 1?","chart_24h":[0.0195,0.017,0.0155,0.013,0.0125,0.0085,0.0055,0.006,0.0055,0.005,0.0045,0.004]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/646506","as_of":"2026-06-29T12:27:43.695064Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Highest temperature in Helsinki on July 1?\" — top market at 40% probability across 11 outcomes","source_url":null}}