Recent forecasts from the Finnish Meteorological Institute and supporting models indicate a low-pressure system driving cloudy skies, showers, and moderate northerly winds across Helsinki on August 23, suppressing daytime highs to around 16–17°C while holding overnight minimums near 12–14°C. This setup aligns with historical August climatology for the region, where typical lows range 9–13°C but often moderate under persistent cloud cover and precipitation rather than clear radiative cooling. Trader consensus heavily favors 14°C and 13°C outcomes because updated model runs show limited further cooling potential before midnight, with only minor uncertainty in exact minimum timing or localized variations. Upcoming FMI hourly updates and any revised guidance on wind strength or rainfall totals could shift probabilities if clearing allows temperatures to dip toward 12°C.
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 23?
12°C 19%
11°C <1%
16°C <1%
17°C <1%
$13,793 Vol.
$13,793 Vol.
9°C or below
<1%
10°C
<1%
11°C
<1%
12°C
19%
13°C
31%
14°C
55%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C or higher
<1%
12°C 19%
11°C <1%
16°C <1%
17°C <1%
$13,793 Vol.
$13,793 Vol.
9°C or below
<1%
10°C
<1%
11°C
<1%
12°C
19%
13°C
31%
14°C
55%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C or higher
<1%
This market will resolve to the temperature range that contains the lowest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 23 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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 21, 2026, 12:31 AM ET
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 23 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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.
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Recent forecasts from the Finnish Meteorological Institute and supporting models indicate a low-pressure system driving cloudy skies, showers, and moderate northerly winds across Helsinki on August 23, suppressing daytime highs to around 16–17°C while holding overnight minimums near 12–14°C. This setup aligns with historical August climatology for the region, where typical lows range 9–13°C but often moderate under persistent cloud cover and precipitation rather than clear radiative cooling. Trader consensus heavily favors 14°C and 13°C outcomes because updated model runs show limited further cooling potential before midnight, with only minor uncertainty in exact minimum timing or localized variations. Upcoming FMI hourly updates and any revised guidance on wind strength or rainfall totals could shift probabilities if clearing allows temperatures to dip toward 12°C.
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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