{"source":"polymarket","id":"575227","ticker":"highest-temperature-in-helsinki-on-june-11-2026","slug":"highest-temperature-in-helsinki-on-june-11-2026","title":"Highest temperature in Helsinki on June 11?","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 11 Jun '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":"2026-06-09T05:25:42.411561Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":6101.167659000001,"volume_24hr":5566.958322,"volume_24h_change":null,"normalized_vol_24hr":30.041170120239258,"normalized_volume":16.682952880859375,"liquidity":33502.39983,"open_interest":4689.360864,"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":"105111","slug":"rewards-automation-100-2","label":"Rewards Automation 100 4.5 50 (2)"},{"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":"18°C","top_outcome_probability":0.375,"top_outcome_prob_24h_change":0.025000000000000022,"top_outcome_volume_24h_change":699.573996,"updated_at":"2026-06-10T09:03:07.415101Z","fetched_at":"2026-06-10T09:03:07.415101Z","added_at":"2026-06-09T05:25:49.922267Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026","chart_24h":[804.310955,1320.290069,1591.2912959999999,1864.2875219999999,1918.2906469999998,2131.220647,2389.036252,2447.026252,2537.5173529999997,2553.027353,2823.526581,2853.996581,3045.796581,3232.6565809999997,3259.2493879999997,3312.5658399999998,3420.07584,4100.511616,4290.62475,4838.671714,4883.847729,5290.134219,5432.198353,5570.899764,5585.474597,5586.954597,5610.531199,5668.891199,5769.705043999999,5603.099901,5616.380026,5624.349429,5499.768322],"markets":[{"source":"polymarket","id":"2477007","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-18c","question":"Will the highest temperature in Helsinki be 18°C on June 11?","group_item_title":"18°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 11 Jun '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":[0.375,0.625],"probability":0.375,"spread":0.01,"active":true,"closed":false,"start_date":"2026-06-09T05:16:08.050092Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":699.5739959999999,"volume_24hr":699.573996,"prob_24h_change":0.025000000000000022,"volume_24h_change":699.573996,"normalized_vol_24hr":17.826204299926758,"normalized_volume":11.01127815246582,"liquidity":2809.8438,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T08:50:13.338661Z","fetched_at":"2026-06-10T08:49:18.476980Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-18c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.35,0.365,0.375,0.345,0.355,0.355,0.32,0.335,0.365,0.36,0.36,0.355,0.35,0.365,0.365,0.365,0.385,0.38,0.37,0.365,0.365,0.385,0.385,0.38,0.355,0.36,0.365,0.36,0.36,0.375,0.375]},{"source":"polymarket","id":"2477008","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-19c","question":"Will the highest temperature in Helsinki be 19°C on June 11?","group_item_title":"19°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 11 Jun '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":[0.285,0.715],"probability":0.285,"spread":0.13,"active":true,"closed":false,"start_date":"2026-06-09T05:16:07.760445Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":420.635146,"volume_24hr":411.899516,"prob_24h_change":0.13999999999999999,"volume_24h_change":403.163886,"normalized_vol_24hr":15.065361022949219,"normalized_volume":9.370705604553223,"liquidity":1395.4625,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T09:03:07.711475Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-19c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.145,0.185,0.185,0.185,0.19,0.245,0.215,0.22,0.215,0.205,0.22,0.225,0.195,0.19,0.24,0.24,0.28,0.25,0.235,0.23,0.235,0.25,0.23,0.235,0.24,0.22,0.26,0.29]},{"source":"polymarket","id":"2477006","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-17c","question":"Will the highest temperature in Helsinki be 17°C on June 11?","group_item_title":"17°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 11 Jun '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":[0.205,0.795],"probability":0.205,"spread":0.01,"active":true,"closed":false,"start_date":"2026-06-09T05:16:06.738968Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":754.5901819999999,"volume_24hr":625.6319,"prob_24h_change":-0.08499999999999999,"volume_24h_change":491.673618,"normalized_vol_24hr":17.22441864013672,"normalized_volume":11.266851425170898,"liquidity":2957.5715,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:04:05.080370Z","fetched_at":"2026-06-10T09:03:07.711475Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-17c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.29,0.29,0.3,0.28,0.27,0.25,0.245,0.235,0.235,0.245,0.245,0.235,0.245,0.245,0.245,0.26,0.24,0.19,0.19,0.205,0.23,0.205,0.2,0.2,0.215,0.21,0.225,0.215,0.215]},{"source":"polymarket","id":"2477005","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-16c","question":"Will the highest temperature in Helsinki be 16°C on June 11?","group_item_title":"16°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 11 Jun '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":[0.05,0.95],"probability":0.05,"spread":0.02,"active":true,"closed":false,"start_date":"2026-06-09T05:16:04.660380Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":2039.3644290000002,"volume_24hr":1584.6427860000001,"prob_24h_change":-0.020000000000000004,"volume_24h_change":854.2611430000002,"normalized_vol_24hr":22.54817771911621,"normalized_volume":14.897516250610352,"liquidity":5018.10182,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:04:05.080370Z","fetched_at":"2026-06-10T08:49:18.476980Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-16c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.07,0.085,0.08,0.075,0.08,0.055,0.035,0.0565,0.0355,0.0395,0.056,0.0675,0.0655,0.0685,0.067,0.0695,0.0895,0.1045,0.0695,0.0695,0.0695,0.0695,0.0695,0.0625,0.0605,0.0495,0.0495,0.0595,0.0595,0.053,0.0605,0.059,0.05]},{"source":"polymarket","id":"2477009","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-20c","question":"Will the highest temperature in Helsinki be 20°C on June 11?","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 11 Jun '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":[0.0365,0.9635],"probability":0.0365,"spread":0.001,"active":true,"closed":false,"start_date":"2026-06-09T05:16:15.113124Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":737.3468690000001,"volume_24hr":716.461469,"prob_24h_change":-0.061000000000000006,"volume_24h_change":635.157748,"normalized_vol_24hr":17.956052780151367,"normalized_volume":11.188496589660645,"liquidity":3690.03784,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:04:05.080370Z","fetched_at":"2026-06-10T08:49:18.476980Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-20c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.0975,0.085,0.072,0.0545,0.0475,0.0985,0.1075,0.0695,0.062,0.07,0.058,0.064,0.064,0.125,0.1015,0.0685,0.073,0.0405,0.0645,0.0565,0.0765,0.062,0.055,0.0565,0.056,0.045,0.04,0.0355,0.0355,0.0365]},{"source":"polymarket","id":"2477010","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-21c","question":"Will the highest temperature in Helsinki be 21°C on June 11?","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 11 Jun '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":[0.0145,0.9855],"probability":0.0145,"spread":0.009,"active":true,"closed":false,"start_date":"2026-06-09T05:16:11.055440Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":275.030003,"volume_24hr":240.03000299999997,"prob_24h_change":-0.016,"volume_24h_change":190.03000299999997,"normalized_vol_24hr":12.492955207824707,"normalized_volume":8.103163719177246,"liquidity":1656.74797,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:04:05.080370Z","fetched_at":"2026-06-10T08:35:33.303020Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-21c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.0305,0.0265,0.0265,0.0245,0.026,0.028,0.0165,0.0135,0.015,0.014,0.015,0.015,0.0155,0.0145,0.015,0.0145,0.015,0.014,0.012,0.0115,0.013,0.0115,0.017,0.018,0.0185,0.017,0.0155,0.016,0.0125,0.0145,0.0145,0.015,0.0145]},{"source":"polymarket","id":"2477004","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-15c","question":"Will the highest temperature in Helsinki be 15°C on June 11?","group_item_title":"15°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 11 Jun '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":0.009,"active":true,"closed":false,"start_date":"2026-06-09T05:16:00.553953Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":844.9512990000001,"volume_24hr":749.461299,"prob_24h_change":-0.013999999999999999,"volume_24h_change":633.971299,"normalized_vol_24hr":18.202482223510742,"normalized_volume":11.65420150756836,"liquidity":4232.57554,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:04:05.080370Z","fetched_at":"2026-06-10T09:03:07.711475Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-15c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.0255,0.042,0.046,0.015,0.015,0.0155,0.015,0.0155,0.0175,0.018,0.0155,0.0185,0.015,0.016,0.0135,0.0105,0.0065,0.014,0.0075,0.011,0.008,0.0075,0.0135,0.013,0.0125,0.0125,0.0115]},{"source":"polymarket","id":"2477011","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-22corhigher","question":"Will the highest temperature in Helsinki be 22°C or higher on June 11?","group_item_title":"22°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 11 Jun '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":[0.0035,0.9965],"probability":0.0035,"spread":0.003,"active":true,"closed":false,"start_date":"2026-06-09T05:16:19.300047Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":210.055,"volume_24hr":175.05499999999998,"prob_24h_change":-0.0035,"volume_24h_change":140.05499999999998,"normalized_vol_24hr":11.102972030639648,"normalized_volume":7.347755432128906,"liquidity":2215.61091,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T09:03:43.291229Z","fetched_at":"2026-06-10T06:10:14.971600Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-22corhigher","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.007,0.006,0.006,0.006,0.0075,0.007,0.0075,0.007,0.0055,0.0055,0.0055,0.0055,0.0035,0.0035,0.004,0.0035,0.0035,0.0035,0.0035,0.0035,0.0035,0.0035]},{"source":"polymarket","id":"2477002","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-13c","question":"Will the highest temperature in Helsinki be 13°C on June 11?","group_item_title":"13°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 11 Jun '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":[0.003,0.997],"probability":0.003,"spread":0.002,"active":true,"closed":false,"start_date":"2026-06-09T05:15:55.532939Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":33.025999999999996,"volume_24hr":33.025999999999996,"prob_24h_change":0.0,"volume_24h_change":19.999999999999996,"normalized_vol_24hr":5.166138648986816,"normalized_volume":3.1911330223083496,"liquidity":2951.21001,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T07:44:44.556017Z","fetched_at":"2026-06-10T00:22:15.322052Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-13c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.003,0.003,0.003,0.003,0.003]},{"source":"polymarket","id":"2477003","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-14c","question":"Will the highest temperature in Helsinki be 14°C on June 11?","group_item_title":"14°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 11 Jun '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":[0.003,0.997],"probability":0.003,"spread":0.002,"active":true,"closed":false,"start_date":"2026-06-09T05:15:58.568908Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":24.018,"volume_24hr":24.018,"prob_24h_change":-0.0005,"volume_24h_change":15.0,"normalized_vol_24hr":4.304542541503906,"normalized_volume":2.658923625946045,"liquidity":2715.23097,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T07:06:28.113249Z","fetched_at":"2026-06-10T00:22:15.322052Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-14c","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.0035,0.004,0.004,0.004,0.0035,0.0035,0.004,0.0035,0.004,0.004,0.004,0.004,0.0035,0.003,0.003]},{"source":"polymarket","id":"2477001","event_id":"575227","slug":"highest-temperature-in-helsinki-on-june-11-2026-12corbelow","question":"Will the highest temperature in Helsinki be 12°C or below on June 11?","group_item_title":"12°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 11 Jun '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":[0.0025,0.9975],"probability":0.0025,"spread":0.003,"active":true,"closed":false,"start_date":"2026-06-09T05:15:55.793228Z","end_date":"2026-06-11T12:00:00Z","closed_time":null,"volume":116.77099999999999,"volume_24hr":116.77099999999999,"prob_24h_change":-0.0005,"volume_24h_change":99.737,"normalized_vol_24hr":9.443479537963867,"normalized_volume":5.833253860473633,"liquidity":4693.18294,"categories":["Climate and Weather"],"countries":["Finland"],"updated_at":"2026-06-10T07:06:28.113249Z","fetched_at":"2026-06-10T00:22:15.322052Z","added_at":"2026-06-09T05:25:49.950211Z","url":"https://polymarket.com/event/highest-temperature-in-helsinki-on-june-11-2026/highest-temperature-in-helsinki-on-june-11-2026-12corbelow","event_title":"Highest temperature in Helsinki on June 11?","chart_24h":[0.003,0.0025,0.0025]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/575227","as_of":"2026-06-10T09:06:04.829965Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Highest temperature in Helsinki on June 11?\" — top market at 5% probability across 11 outcomes","source_url":null}}