Close trader consensus between 27°C and 28°C for Seoul’s highest temperature on September 19 reflects ensemble forecast spread in numerical weather prediction models, with the Korea Meteorological Administration and global systems like ECMWF showing modest variability in daytime maxima. Mid-September seasonal transition features weakening monsoon influences, variable high-pressure ridges, and potential shortwave troughs that can shift temperatures by 1–2°C. Historical September averages near 26–28°C provide context, while current observational trends from surface stations and satellite data indicate neutral anomalies without strong El Niño or La Niña forcing. Updated model runs and morning briefings over the next 48 hours will likely refine the implied probability split as resolution approaches.
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 Seoul (Incheon) on September 19?
28°C 42%
27°C 39%
29°C 11%
26°C 9%
23°C or below
1%
24°C
1%
25°C
4%
26°C
9%
27°C
39%
28°C
42%
29°C
11%
30°C
3%
31°C
2%
32°C
<1%
33°C or higher
1%
28°C 42%
27°C 39%
29°C 11%
26°C 9%
23°C or below
1%
24°C
1%
25°C
4%
26°C
9%
27°C
39%
28°C
42%
29°C
11%
30°C
3%
31°C
2%
32°C
<1%
33°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.
Binuksan ang Market: Sep 17, 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...Close trader consensus between 27°C and 28°C for Seoul’s highest temperature on September 19 reflects ensemble forecast spread in numerical weather prediction models, with the Korea Meteorological Administration and global systems like ECMWF showing modest variability in daytime maxima. Mid-September seasonal transition features weakening monsoon influences, variable high-pressure ridges, and potential shortwave troughs that can shift temperatures by 1–2°C. Historical September averages near 26–28°C provide context, while current observational trends from surface stations and satellite data indicate neutral anomalies without strong El Niño or La Niña forcing. Updated model runs and morning briefings over the next 48 hours will likely refine the implied probability split as resolution approaches.
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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