**Forecast models and real-time observations position 28°C as the dominant outcome for Busan’s September 20 high.** Current National Meteorological Agency data and GFS guidance show clear skies, light northeast winds, and afternoon peaks reaching 26–27°C under stable high pressure, with negligible precipitation risk. This places the daily maximum near or slightly above the typical late-September climatology of ~25°C. Market-implied odds heavily favor 28°C (83%) over 29°C (14%) because minor upward revisions in afternoon readings or station-specific maxima commonly push the official high one degree higher than initial model consensus. No significant frontal systems or cloud cover are expected to suppress temperatures before sunset, keeping the probability of 27°C or lower minimal.
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 Busan on September 20?
28°C 82%
29°C 19%
30°C 2%
27°C 1.6%
$30,991 Vol.
$30,991 Vol.
23°C or below
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
2%
28°C
82%
29°C
19%
30°C
2%
31°C
<1%
32°C
<1%
33°C or higher
<1%
28°C 82%
29°C 19%
30°C 2%
27°C 1.6%
$30,991 Vol.
$30,991 Vol.
23°C or below
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
2%
28°C
82%
29°C
19%
30°C
2%
31°C
<1%
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=rkpk
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 18, 2026, 12:58 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=rkpkResolver
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=rkpk
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=rkpkResolver
0x69c47De9D...**Forecast models and real-time observations position 28°C as the dominant outcome for Busan’s September 20 high.** Current National Meteorological Agency data and GFS guidance show clear skies, light northeast winds, and afternoon peaks reaching 26–27°C under stable high pressure, with negligible precipitation risk. This places the daily maximum near or slightly above the typical late-September climatology of ~25°C. Market-implied odds heavily favor 28°C (83%) over 29°C (14%) because minor upward revisions in afternoon readings or station-specific maxima commonly push the official high one degree higher than initial model consensus. No significant frontal systems or cloud cover are expected to suppress temperatures before sunset, keeping the probability of 27°C or lower minimal.
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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