Recent forecast models from agencies including the Japan Meteorological Agency show Tokyo facing an active weather pattern on September 15, with widespread thunderstorms and southerly flow delivering humid air masses that favor overnight lows near 22–24 °C. Persistent cloud cover and precipitation reduce radiative cooling, limiting the potential for sub-20 °C readings while also suppressing daytime maxima below the 29 °C threshold. Ensemble spreads remain wide because steering currents and exact timing of frontal passages can shift minimum temperatures by several degrees. Historical September climatology places typical overnight lows around 22 °C, providing context for why trader-implied odds cluster tightly around 23 °C yet assign nearly equal weight to the cooler and warmer extremes. Updated model runs and observational data over the next 48 hours will likely narrow 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 15?
19°C or below 88%
23°C 31%
24°C 21%
20°C 20%
19°C or below
88%
20°C
20%
21°C
20%
22°C
20%
23°C
31%
24°C
21%
25°C
20%
26°C
20%
27°C
10%
28°C
8%
29°C or higher
6%
19°C or below 88%
23°C 31%
24°C 21%
20°C 20%
19°C or below
88%
20°C
20%
21°C
20%
22°C
20%
23°C
31%
24°C
21%
25°C
20%
26°C
20%
27°C
10%
28°C
8%
29°C or higher
6%
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 13, 2026, 1:30 PM 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 forecast models from agencies including the Japan Meteorological Agency show Tokyo facing an active weather pattern on September 15, with widespread thunderstorms and southerly flow delivering humid air masses that favor overnight lows near 22–24 °C. Persistent cloud cover and precipitation reduce radiative cooling, limiting the potential for sub-20 °C readings while also suppressing daytime maxima below the 29 °C threshold. Ensemble spreads remain wide because steering currents and exact timing of frontal passages can shift minimum temperatures by several degrees. Historical September climatology places typical overnight lows around 22 °C, providing context for why trader-implied odds cluster tightly around 23 °C yet assign nearly equal weight to the cooler and warmer extremes. Updated model runs and observational data over the next 48 hours will likely narrow 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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