**Recent stabilization under building high pressure after a mid-August storm system has produced closely matched trader odds, with 7°C or below at 49.5% and 17°C or higher at 48.5%.** Current official guidance from the Finnish Meteorological Institute and global models points to a minimum near 12–14°C on August 26 under mostly clear to partly cloudy skies and light northerly winds, favoring the middle resolution bands (8–16°C each at 24.5%). Key drivers include radiative cooling overnight once the recent low-pressure system and associated cloud cover/rain depart, combined with a mild maritime air mass over the Baltic that limits strong nocturnal drops. Historical August climatology for Helsinki shows typical overnight minima of 10–14°C, and no polar or Arctic air intrusion is forecast. Model consensus remains tight on the timing of high-pressure ridging, but small differences in cloud cover or wind speed could shift the exact low by 2–3°C, sustaining the near-even split between the tail outcomes. Updated model runs and FMI briefings over the next 48 hours will likely narrow the range before 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 26?
7°C or below 92%
17°C or higher 60%
10°C 49%
11°C 49%
7°C or below
92%
8°C
48%
9°C
48%
10°C
49%
11°C
49%
12°C
48%
13°C
48%
14°C
43%
15°C
2%
16°C
43%
17°C or higher
60%
7°C or below 92%
17°C or higher 60%
10°C 49%
11°C 49%
7°C or below
92%
8°C
48%
9°C
48%
10°C
49%
11°C
49%
12°C
48%
13°C
48%
14°C
43%
15°C
2%
16°C
43%
17°C or higher
60%
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 24, 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 stabilization under building high pressure after a mid-August storm system has produced closely matched trader odds, with 7°C or below at 49.5% and 17°C or higher at 48.5%.** Current official guidance from the Finnish Meteorological Institute and global models points to a minimum near 12–14°C on August 26 under mostly clear to partly cloudy skies and light northerly winds, favoring the middle resolution bands (8–16°C each at 24.5%). Key drivers include radiative cooling overnight once the recent low-pressure system and associated cloud cover/rain depart, combined with a mild maritime air mass over the Baltic that limits strong nocturnal drops. Historical August climatology for Helsinki shows typical overnight minima of 10–14°C, and no polar or Arctic air intrusion is forecast. Model consensus remains tight on the timing of high-pressure ridging, but small differences in cloud cover or wind speed could shift the exact low by 2–3°C, sustaining the near-even split between the tail outcomes. Updated model runs and FMI briefings over the next 48 hours will likely narrow the range before 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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