Official observations from Helsinki-Vantaa Airport station, the authoritative source for this market, recorded a maximum temperature of 10°C on April 27, 2026, at approximately 12:50 local time under partly cloudy skies and northwest winds around 6 m/s. This measurement aligns precisely with Finnish Meteorological Institute (FMI) forecasts, which predicted peak warmth near 10°C amid seasonal norms for late April—historical averages hover at 8–11°C with low variability due to Baltic Sea moderation and current neutral ENSO conditions. Trader consensus at 100% implied probability for 10°C reflects this finalized data from Wunderground archives, backed by real capital. Realistic challenges include rare post-processing revisions by FMI or station recalibrations, though data stability across sources like timeanddate.com confirms the outcome; resolution awaits Wunderground finalization.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Helsinki on April 27?
10°C 100.0%
3°C or below <1%
4°C <1%
5°C <1%
$36,742 Vol.
$36,742 Vol.
3°C or below
No
4°C
No
5°C
No
6°C
No
7°C
No
8°C
No
9°C
No
10°C
Yes
11°C
No
12°C
No
13°C or higher
No
10°C 100.0%
3°C or below <1%
4°C <1%
5°C <1%
$36,742 Vol.
$36,742 Vol.
3°C or below
No
4°C
No
5°C
No
6°C
No
7°C
No
8°C
No
9°C
No
10°C
Yes
11°C
No
12°C
No
13°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.
Market Opened: Apr 25, 2026, 12:09 AM ET
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: 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.
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official observations from Helsinki-Vantaa Airport station, the authoritative source for this market, recorded a maximum temperature of 10°C on April 27, 2026, at approximately 12:50 local time under partly cloudy skies and northwest winds around 6 m/s. This measurement aligns precisely with Finnish Meteorological Institute (FMI) forecasts, which predicted peak warmth near 10°C amid seasonal norms for late April—historical averages hover at 8–11°C with low variability due to Baltic Sea moderation and current neutral ENSO conditions. Trader consensus at 100% implied probability for 10°C reflects this finalized data from Wunderground archives, backed by real capital. Realistic challenges include rare post-processing revisions by FMI or station recalibrations, though data stability across sources like timeanddate.com confirms the outcome; resolution awaits Wunderground finalization.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


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