Recent forecasts from multiple models show a cooling trend into late September, with northwest winds and increasing cloud cover limiting daytime heating in the Seoul-Incheon area. Current conditions feature highs near 28–29°C, but guidance for September 24 points to a maximum around 25–26°C under partly to mostly cloudy skies, with light to moderate northwesterly flow and dew points supporting modest humidity. Ensemble spreads arise from subtle differences in cloud timing, boundary-layer mixing, and any weak frontal influence, keeping 25°C and 26°C tied as the closest outcomes while 24°C and 27°C capture the tails of the distribution. Updated model runs and official Korea Meteorological Administration guidance ahead of the date will likely refine these probabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Seoul (Incheon) on September 24?
25°C 40%
26°C 23%
24°C 18%
27°C 12%
20°C or below
4%
21°C
<1%
22°C
1%
23°C
10%
24°C
18%
25°C
40%
26°C
23%
27°C
12%
28°C
3%
29°C
1%
30°C or higher
1%
25°C 40%
26°C 23%
24°C 18%
27°C 12%
20°C or below
4%
21°C
<1%
22°C
1%
23°C
10%
24°C
18%
25°C
40%
26°C
23%
27°C
12%
28°C
3%
29°C
1%
30°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=rksi
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 22, 2026, 12:56 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=rksiResolver
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=rksi
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=rksiResolver
0x69c47De9D...Recent forecasts from multiple models show a cooling trend into late September, with northwest winds and increasing cloud cover limiting daytime heating in the Seoul-Incheon area. Current conditions feature highs near 28–29°C, but guidance for September 24 points to a maximum around 25–26°C under partly to mostly cloudy skies, with light to moderate northwesterly flow and dew points supporting modest humidity. Ensemble spreads arise from subtle differences in cloud timing, boundary-layer mixing, and any weak frontal influence, keeping 25°C and 26°C tied as the closest outcomes while 24°C and 27°C capture the tails of the distribution. Updated model runs and official Korea Meteorological Administration guidance ahead of the date will likely refine these probabilities.
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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