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.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourHighest temperature in Helsinki on May 21?
18°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$36,278 Vol.
$36,278 Vol.
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 Vol.
$36,278 Vol.
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
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.
Marché ouvert : May 19, 2026, 12:26 AM ET
Source de résolution
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Résultat proposé: No
Aucune contestation
Résultat final: No
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.
Source de résolution
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Résultat proposé: No
Aucune contestation
Résultat final: 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.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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