Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts and the Finnish Meteorological Institute indicate maximum temperatures of 21–23°C for Helsinki on August 15 under partly cloudy conditions with light winds, positioning 22–23°C as the leading market-implied outcomes at 28.5% and 39.0%. These align with typical mid-August climatology of around 19–20°C daily highs while reflecting modest above-average warming from high pressure and limited cloud cover. Model consensus shows low spread for this short-range outlook, though minor shifts in timing of any showers or clearer intervals could adjust the peak by 1°C. Updated runs over the next 24 hours will provide the next key data points for traders.
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 August 15?
Highest temperature in Helsinki on August 15?
23°C 39%
22°C 29%
24°C 19%
21°C 8%
NEW
NEW
Aug 15, 2026
17°C or below
<1%
18°C
<1%
19°C
1%
20°C
3%
21°C
8%
22°C
29%
23°C
39%
24°C
19%
25°C
7%
26°C
1%
27°C or higher
<1%
23°C 39%
22°C 29%
24°C 19%
21°C 8%
NEW
NEW
Aug 15, 2026
17°C or below
$2,864 Vol.
<1%
18°C
$963 Vol.
<1%
19°C
$288 Vol.
1%
20°C
$665 Vol.
3%
21°C
$814 Vol.
8%
22°C
$970 Vol.
29%
23°C
$617 Vol.
39%
24°C
$378 Vol.
19%
25°C
$896 Vol.
7%
26°C
$129 Vol.
1%
27°C or higher
$251 Vol.
<1%
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 Aug '26.
The 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.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions 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.Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts and the Finnish Meteorological Institute indicate maximum temperatures of 21–23°C for Helsinki on August 15 under partly cloudy conditions with light winds, positioning 22–23°C as the leading market-implied outcomes at 28.5% and 39.0%. These align with typical mid-August climatology of around 19–20°C daily highs while reflecting modest above-average warming from high pressure and limited cloud cover. Model consensus shows low spread for this short-range outlook, though minor shifts in timing of any showers or clearer intervals could adjust the peak by 1°C. Updated runs over the next 24 hours will provide the next key data points for traders.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 Aug '26.
The 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.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions 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.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 Aug '26.
The 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.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions 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.
Market Opened: Aug 13, 2026, 12:57 AM ET
Volume
$8,834End Date
Aug 15, 2026Market Opened
Aug 13, 2026, 12:57 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 Aug '26.
The 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.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions 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.Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts and the Finnish Meteorological Institute indicate maximum temperatures of 21–23°C for Helsinki on August 15 under partly cloudy conditions with light winds, positioning 22–23°C as the leading market-implied outcomes at 28.5% and 39.0%. These align with typical mid-August climatology of around 19–20°C daily highs while reflecting modest above-average warming from high pressure and limited cloud cover. Model consensus shows low spread for this short-range outlook, though minor shifts in timing of any showers or clearer intervals could adjust the peak by 1°C. Updated runs over the next 24 hours will provide the next key data points for traders.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 Aug '26.
The 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.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions 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.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 Aug '26.
The 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.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions 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.
Volume
$8,834End Date
Aug 15, 2026Market Opened
Aug 13, 2026, 12:57 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts and the Finnish Meteorological Institute indicate maximum temperatures of 21–23°C for Helsinki on August 15 under partly cloudy conditions with light winds, positioning 22–23°C as the leading market-implied outcomes at 28.5% and 39.0%. These align with typical mid-August climatology of around 19–20°C daily highs while reflecting modest above-average warming from high pressure and limited cloud cover. Model consensus shows low spread for this short-range outlook, though minor shifts in timing of any showers or clearer intervals could adjust the peak by 1°C. Updated runs over the next 24 hours will provide the next key data points for traders.
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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