Recent forecasts from the Finnish Meteorological Institute position Helsinki's daytime high near 19°C on August 25 under northwesterly flow and partly cloudy skies. This aligns with late-August climatology, where average highs decline toward 18°C amid weakening solar insolation and moderating Baltic Sea influences. Numerical weather models show limited spread around this value, with minor uncertainty from potential afternoon clearing or localized mixing that could nudge readings to 18°C or 20°C. Trader consensus, reflected in the 61.5% implied probability for 19°C, incorporates these stable conditions while discounting lower-probability outliers, consistent with official guidance and historical station data from Helsinki-Vantaa.
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 25?
Highest temperature in Helsinki on August 25?
19°C 63%
20°C 23%
18°C 15%
21°C 3%
NEW
$16,011 Vol.
NEW
$16,011 Vol.
Aug 25, 2026
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
1%
18°C
15%
19°C
63%
20°C
23%
21°C
3%
22°C
1%
23°C or higher
<1%
19°C 63%
20°C 23%
18°C 15%
21°C 3%
NEW
$16,011 Vol.
NEW
$16,011 Vol.
Aug 25, 2026
13°C or below
$119 Vol.
<1%
14°C
$89 Vol.
<1%
15°C
$844 Vol.
<1%
16°C
$418 Vol.
<1%
17°C
$1,279 Vol.
1%
18°C
$3,361 Vol.
15%
19°C
$3,919 Vol.
63%
20°C
$2,319 Vol.
23%
21°C
$2,047 Vol.
3%
22°C
$523 Vol.
1%
23°C or higher
$1,236 Vol.
<1%
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 25 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 forecasts from the Finnish Meteorological Institute position Helsinki's daytime high near 19°C on August 25 under northwesterly flow and partly cloudy skies. This aligns with late-August climatology, where average highs decline toward 18°C amid weakening solar insolation and moderating Baltic Sea influences. Numerical weather models show limited spread around this value, with minor uncertainty from potential afternoon clearing or localized mixing that could nudge readings to 18°C or 20°C. Trader consensus, reflected in the 61.5% implied probability for 19°C, incorporates these stable conditions while discounting lower-probability outliers, consistent with official guidance and historical station data from Helsinki-Vantaa.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 25 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 23, 2026, 12:58 AM ET
Volume
$16,011End Date
Aug 25, 2026Market Opened
Aug 23, 2026, 12:58 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=efhkResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 25 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 forecasts from the Finnish Meteorological Institute position Helsinki's daytime high near 19°C on August 25 under northwesterly flow and partly cloudy skies. This aligns with late-August climatology, where average highs decline toward 18°C amid weakening solar insolation and moderating Baltic Sea influences. Numerical weather models show limited spread around this value, with minor uncertainty from potential afternoon clearing or localized mixing that could nudge readings to 18°C or 20°C. Trader consensus, reflected in the 61.5% implied probability for 19°C, incorporates these stable conditions while discounting lower-probability outliers, consistent with official guidance and historical station data from Helsinki-Vantaa.
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 25 Aug '26.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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
$16,011End Date
Aug 25, 2026Market Opened
Aug 23, 2026, 12:58 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=efhkResolver
0x69c47De9D...Recent forecasts from the Finnish Meteorological Institute position Helsinki's daytime high near 19°C on August 25 under northwesterly flow and partly cloudy skies. This aligns with late-August climatology, where average highs decline toward 18°C amid weakening solar insolation and moderating Baltic Sea influences. Numerical weather models show limited spread around this value, with minor uncertainty from potential afternoon clearing or localized mixing that could nudge readings to 18°C or 20°C. Trader consensus, reflected in the 61.5% implied probability for 19°C, incorporates these stable conditions while discounting lower-probability outliers, consistent with official guidance and historical station data from Helsinki-Vantaa.
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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