Recent ensemble forecasts from the Finnish Meteorological Institute and European models show notable uncertainty in overnight minimum temperatures for Helsinki on August 25, with traders closely weighing scenarios around 7°C or below versus the 12–14°C range amid shifting Baltic pressure patterns. Primary drivers include the strength of northerly cold-air advection versus residual warmer southerly flow, combined with variable cloud cover that modulates nocturnal radiative cooling and potential surface inversions under light winds. Clear, calm conditions could enhance heat loss and push minima lower than climatological late-August baselines near 10–12°C, while increased cloudiness or mixing would support milder readings. Upcoming model runs and official guidance will likely clarify steering patterns and boundary-layer details ahead of resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Helsinki on August 25?
14°C 85%
17°C or higher 48%
7°C or below 47%
12°C 43%
7°C or below
47%
8°C
24%
9°C
24%
10°C
25%
11°C
27%
12°C
43%
13°C
43%
14°C
85%
15°C
2%
16°C
8%
17°C or higher
48%
14°C 85%
17°C or higher 48%
7°C or below 47%
12°C 43%
7°C or below
47%
8°C
24%
9°C
24%
10°C
25%
11°C
27%
12°C
43%
13°C
43%
14°C
85%
15°C
2%
16°C
8%
17°C or higher
48%
The resolution source for this market will be information from NOAA, specifically the lowest 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, 12:31 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=efhkResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest 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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=efhkResolver
0x69c47De9D...Recent ensemble forecasts from the Finnish Meteorological Institute and European models show notable uncertainty in overnight minimum temperatures for Helsinki on August 25, with traders closely weighing scenarios around 7°C or below versus the 12–14°C range amid shifting Baltic pressure patterns. Primary drivers include the strength of northerly cold-air advection versus residual warmer southerly flow, combined with variable cloud cover that modulates nocturnal radiative cooling and potential surface inversions under light winds. Clear, calm conditions could enhance heat loss and push minima lower than climatological late-August baselines near 10–12°C, while increased cloudiness or mixing would support milder readings. Upcoming model runs and official guidance will likely clarify steering patterns and boundary-layer details ahead of resolution.
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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