Recent forecasts from the Finnish Meteorological Institute and ensemble models indicate a mild overnight period for Helsinki on September 4, with the lowest temperature expected near 10–11 °C under partly cloudy skies and light southwesterly winds. This aligns closely with the 1991–2020 climatological average low of roughly 11 °C for the date, though model spreads allow for outcomes several degrees warmer or cooler depending on the degree of nocturnal radiative cooling and any lingering marine influence from the Baltic. Trader probabilities clustered around 10 °C and 16 °C or higher reflect this uncertainty in short-range guidance, with resolution hinging on the precise minimum recorded at official stations before sunrise. Updated model runs and FMI briefings over the next 24 hours will likely tighten the range.
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 4?
16°C or higher 96%
6°C or below 67%
14°C 49%
8°C 48%
6°C or below
67%
7°C
28%
8°C
48%
9°C
29%
10°C
37%
11°C
26%
12°C
48%
13°C
48%
14°C
49%
15°C
8%
16°C or higher
96%
16°C or higher 96%
6°C or below 67%
14°C 49%
8°C 48%
6°C or below
67%
7°C
28%
8°C
48%
9°C
29%
10°C
37%
11°C
26%
12°C
48%
13°C
48%
14°C
49%
15°C
8%
16°C or higher
96%
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.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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: Sep 2, 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.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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 forecasts from the Finnish Meteorological Institute and ensemble models indicate a mild overnight period for Helsinki on September 4, with the lowest temperature expected near 10–11 °C under partly cloudy skies and light southwesterly winds. This aligns closely with the 1991–2020 climatological average low of roughly 11 °C for the date, though model spreads allow for outcomes several degrees warmer or cooler depending on the degree of nocturnal radiative cooling and any lingering marine influence from the Baltic. Trader probabilities clustered around 10 °C and 16 °C or higher reflect this uncertainty in short-range guidance, with resolution hinging on the precise minimum recorded at official stations before sunrise. Updated model runs and FMI briefings over the next 24 hours will likely tighten the range.
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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