Recent forecasts from multiple meteorological models, including those aligned with Finnish Institute of Meteorology guidance, indicate a daily maximum near 17°C for Helsinki on September 8, supported by mild southwesterly flow and average highs of 16.7°C for the date. Persistent cloud cover, probable rain, and moderate winds are expected to limit daytime warming while preventing significant cooling, keeping temperatures tightly clustered around this value. Model consensus shows limited spread, with some runs reaching 18°C under brief clearing and others closer to 16°C amid heavier precipitation, explaining the market's heavy weighting toward 17°C and 16°C outcomes. Historical variability on the date underscores the role of short-term steering patterns in resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Helsinki on September 8?
17°C 55%
16°C 23%
18°C 19%
19°C 4%
$10,515 Vol.
$10,515 Vol.
10°C or below
<1%
11°C
<1%
12°C
<1%
13°C
2%
14°C
2%
15°C
3%
16°C
23%
17°C
55%
18°C
19%
19°C
4%
20°C or higher
1%
17°C 55%
16°C 23%
18°C 19%
19°C 4%
$10,515 Vol.
$10,515 Vol.
10°C or below
<1%
11°C
<1%
12°C
<1%
13°C
2%
14°C
2%
15°C
3%
16°C
23%
17°C
55%
18°C
19%
19°C
4%
20°C or higher
1%
The resolution source for this market will be information from NOAA, specifically the highest 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 6, 2026, 12:58 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 highest 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 multiple meteorological models, including those aligned with Finnish Institute of Meteorology guidance, indicate a daily maximum near 17°C for Helsinki on September 8, supported by mild southwesterly flow and average highs of 16.7°C for the date. Persistent cloud cover, probable rain, and moderate winds are expected to limit daytime warming while preventing significant cooling, keeping temperatures tightly clustered around this value. Model consensus shows limited spread, with some runs reaching 18°C under brief clearing and others closer to 16°C amid heavier precipitation, explaining the market's heavy weighting toward 17°C and 16°C outcomes. Historical variability on the date underscores the role of short-term steering patterns in 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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