Recent forecasts from the Japan Meteorological Agency and international models indicate a transition to partly cloudy skies over Tokyo on September 22 after heavy rainfall on the 20th–21st, with daytime highs near 29–30°C and overnight radiative cooling limited by residual moisture and light northerly winds. This setup supports a daily minimum clustered around 21–23°C, though subtle differences in cloud persistence or wind speed could shift the low by 1°C. Trader consensus favoring 23–24°C reflects model spread on nocturnal conditions and historical September variability, where typical minima range 18–20°C but recent warm advection has elevated baselines. Updated JMA guidance and hourly observations in the next 48 hours will likely refine these probabilities.
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-updateLowest temperature in Tokyo on September 22?
24°C 47%
23°C 39%
22°C 10%
21°C 6%
18°C or below
2%
19°C
5%
20°C
5%
21°C
6%
22°C
10%
23°C
39%
24°C
47%
25°C
5%
26°C
4%
27°C
2%
28°C or higher
4%
24°C 47%
23°C 39%
22°C 10%
21°C 6%
18°C or below
2%
19°C
5%
20°C
5%
21°C
6%
22°C
10%
23°C
39%
24°C
47%
25°C
5%
26°C
4%
27°C
2%
28°C or higher
4%
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
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 20, 2026, 12:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=rjttResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
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=rjttResolver
0x69c47De9D...Recent forecasts from the Japan Meteorological Agency and international models indicate a transition to partly cloudy skies over Tokyo on September 22 after heavy rainfall on the 20th–21st, with daytime highs near 29–30°C and overnight radiative cooling limited by residual moisture and light northerly winds. This setup supports a daily minimum clustered around 21–23°C, though subtle differences in cloud persistence or wind speed could shift the low by 1°C. Trader consensus favoring 23–24°C reflects model spread on nocturnal conditions and historical September variability, where typical minima range 18–20°C but recent warm advection has elevated baselines. Updated JMA guidance and hourly observations in the next 48 hours will likely refine these probabilities.
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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