Latest forecast models from the Finnish Meteorological Institute and European Centre for Medium-Range Weather Forecasts indicate a maximum temperature of 18°C for Helsinki on May 21, driven by a stable high-pressure system bringing clear skies and moderate northwesterly flow. This aligns with climatological norms for late May in southern Finland, where daily highs typically range 15–20°C under similar synoptic conditions. While ensemble runs show minimal spread around this value, small deviations could occur if afternoon cloud cover develops or localized sea-breeze effects intensify, potentially shifting the peak by 1–2°C. Traders have positioned overwhelmingly on 18°C as the resolution threshold because official observations from Helsinki-Vantaa airport, the market’s reference station, are expected to confirm this exact maximum before midnight.
基于Polymarket数据的AI实验性摘要。这不是交易建议，也不影响该市场的结算方式。 · 更新于Highest temperature in Helsinki on May 21?
Highest temperature in Helsinki on May 21?
18°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$36,278 交易量
$36,278 交易量
2026-05-21
14°C or below
No
15°C
No
16°C
No
17°C
No
18°C
Yes
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C or higher
No
18°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$36,278 交易量
$36,278 交易量
2026-05-21
14°C or below
$2,338 交易量
No
15°C
$1,346 交易量
No
16°C
$2,882 交易量
No
17°C
$3,183 交易量
No
18°C
$7,027 交易量
Yes
19°C
$6,624 交易量
No
20°C
$3,942 交易量
No
21°C
$2,019 交易量
No
22°C
$4,422 交易量
No
23°C
$1,171 交易量
No
24°C or higher
$1,324 交易量
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 21 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Helsinki Vantaa Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The 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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Latest forecast models from the Finnish Meteorological Institute and European Centre for Medium-Range Weather Forecasts indicate a maximum temperature of 18°C for Helsinki on May 21, driven by a stable high-pressure system bringing clear skies and moderate northwesterly flow. This aligns with climatological norms for late May in southern Finland, where daily highs typically range 15–20°C under similar synoptic conditions. While ensemble runs show minimal spread around this value, small deviations could occur if afternoon cloud cover develops or localized sea-breeze effects intensify, potentially shifting the peak by 1–2°C. Traders have positioned overwhelmingly on 18°C as the resolution threshold because official observations from Helsinki-Vantaa airport, the market’s reference station, are expected to confirm this exact maximum before midnight.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 21 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Helsinki Vantaa Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The 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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Helsinki Vantaa Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The 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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
市场开放时间： May 19, 2026, 12:26 AM ET
交易量
$36,278结束日期
2026-05-21市场开放时间
May 19, 2026, 12:26 AM ET已提议结果: No
无争议
最终结果: No
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 21 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Helsinki Vantaa Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The 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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Latest forecast models from the Finnish Meteorological Institute and European Centre for Medium-Range Weather Forecasts indicate a maximum temperature of 18°C for Helsinki on May 21, driven by a stable high-pressure system bringing clear skies and moderate northwesterly flow. This aligns with climatological norms for late May in southern Finland, where daily highs typically range 15–20°C under similar synoptic conditions. While ensemble runs show minimal spread around this value, small deviations could occur if afternoon cloud cover develops or localized sea-breeze effects intensify, potentially shifting the peak by 1–2°C. Traders have positioned overwhelmingly on 18°C as the resolution threshold because official observations from Helsinki-Vantaa airport, the market’s reference station, are expected to confirm this exact maximum before midnight.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 21 May '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Helsinki Vantaa Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The 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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Helsinki Vantaa Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
The 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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
交易量
$36,278结束日期
2026-05-21市场开放时间
May 19, 2026, 12:26 AM ET已提议结果: No
无争议
最终结果: No
Latest forecast models from the Finnish Meteorological Institute and European Centre for Medium-Range Weather Forecasts indicate a maximum temperature of 18°C for Helsinki on May 21, driven by a stable high-pressure system bringing clear skies and moderate northwesterly flow. This aligns with climatological norms for late May in southern Finland, where daily highs typically range 15–20°C under similar synoptic conditions. While ensemble runs show minimal spread around this value, small deviations could occur if afternoon cloud cover develops or localized sea-breeze effects intensify, potentially shifting the peak by 1–2°C. Traders have positioned overwhelmingly on 18°C as the resolution threshold because official observations from Helsinki-Vantaa airport, the market’s reference station, are expected to confirm this exact maximum before midnight.
基于Polymarket数据的AI实验性摘要。这不是交易建议，也不影响该市场的结算方式。 · 更新于
警惕外部链接哦。
警惕外部链接哦。
常见问题