Current ensemble forecasts from models such as GFS position 16°C as the most likely maximum temperature in Helsinki on September 19, driven by persistent southwesterly flow advecting mild maritime air under a broad low-pressure system. This setup favors widespread cloud cover and scattered showers that limit daytime heating, keeping highs near or slightly above the long-term September average of roughly 14–15°C. Market-implied odds, with 16°C at 43.5% and 17°C at 32%, reflect strong trader consensus on this guidance while acknowledging forecast spread from varying precipitation timing and wind gusts. Updated model runs over the next 48 hours will refine resolution criteria tied to official observations.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Helsinki on September 19?
16°C 44%
17°C 36%
15°C 12%
18°C 8%
11°C or below
<1%
12°C
1%
13°C
2%
14°C
4%
15°C
12%
16°C
44%
17°C
36%
18°C
8%
19°C
2%
20°C
1%
21°C or higher
<1%
16°C 44%
17°C 36%
15°C 12%
18°C 8%
11°C or below
<1%
12°C
1%
13°C
2%
14°C
4%
15°C
12%
16°C
44%
17°C
36%
18°C
8%
19°C
2%
20°C
1%
21°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.
Binuksan ang Market: Sep 17, 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...Current ensemble forecasts from models such as GFS position 16°C as the most likely maximum temperature in Helsinki on September 19, driven by persistent southwesterly flow advecting mild maritime air under a broad low-pressure system. This setup favors widespread cloud cover and scattered showers that limit daytime heating, keeping highs near or slightly above the long-term September average of roughly 14–15°C. Market-implied odds, with 16°C at 43.5% and 17°C at 32%, reflect strong trader consensus on this guidance while acknowledging forecast spread from varying precipitation timing and wind gusts. Updated model runs over the next 48 hours will refine resolution criteria tied to official observations.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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