Forecast consensus from ECMWF, FMI, and regional models drives clustered trader sentiment around 11–13°C lows for Helsinki on September 2, reflecting southwesterly Atlantic flow under broad low pressure that maintains mild overnight temperatures. Current runs show partly cloudy conditions with minima near 12–14°C after daytime highs of 18–21°C, consistent with September climatology where average lows reach about 11.5°C yet recent seasonal outlooks indicate above-normal warmth through early autumn. Key variables include wind direction moderating radiative cooling and limited cloud cover reducing heat retention, while model spread on exact overnight minima explains the tight distribution between 11°C and 14°C probabilities. Updated high-resolution guidance expected within 48 hours could refine these ranges ahead of market 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 September 2?
16°C or higher 49%
11°C 27%
12°C 27%
13°C 25%
6°C or below
7%
7°C
8%
8°C
2%
9°C
14%
10°C
16%
11°C
27%
12°C
27%
13°C
25%
14°C
25%
15°C
2%
16°C or higher
49%
16°C or higher 49%
11°C 27%
12°C 27%
13°C 25%
6°C or below
7%
7°C
8%
8°C
2%
9°C
14%
10°C
16%
11°C
27%
12°C
27%
13°C
25%
14°C
25%
15°C
2%
16°C or higher
49%
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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
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 31, 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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
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...Forecast consensus from ECMWF, FMI, and regional models drives clustered trader sentiment around 11–13°C lows for Helsinki on September 2, reflecting southwesterly Atlantic flow under broad low pressure that maintains mild overnight temperatures. Current runs show partly cloudy conditions with minima near 12–14°C after daytime highs of 18–21°C, consistent with September climatology where average lows reach about 11.5°C yet recent seasonal outlooks indicate above-normal warmth through early autumn. Key variables include wind direction moderating radiative cooling and limited cloud cover reducing heat retention, while model spread on exact overnight minima explains the tight distribution between 11°C and 14°C probabilities. Updated high-resolution guidance expected within 48 hours could refine these ranges ahead of market 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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