Recent ensemble forecasts from the Japan Meteorological Agency and global models indicate mostly cloudy skies with scattered light rain and northerly flow over Tokyo on August 30, limiting daytime solar heating and suppressing maximum temperatures to the 26–28 °C range. Persistent cloud cover and elevated humidity from the current unsettled pattern reduce surface warming relative to typical late-August climatology near 30 °C. Market-implied odds concentrate on 27 °C (38 %) and nearby values because these align with the latest model consensus and observed cooling trends from the prior 48 hours. Traders weigh the low probability of rapid clearing against the risk of slight model revisions before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Tokyo on August 30?
27°C 38%
28°C 22%
26°C 22%
29°C 7%
$14,822 Vol.
$14,822 Vol.
23°C or below
1%
24°C
1%
25°C
5%
26°C
22%
27°C
38%
28°C
22%
29°C
7%
30°C
3%
31°C
2%
32°C
1%
33°C or higher
<1%
27°C 38%
28°C 22%
26°C 22%
29°C 7%
$14,822 Vol.
$14,822 Vol.
23°C or below
1%
24°C
1%
25°C
5%
26°C
22%
27°C
38%
28°C
22%
29°C
7%
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=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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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: Aug 28, 2026, 12:56 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 highest 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.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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 ensemble forecasts from the Japan Meteorological Agency and global models indicate mostly cloudy skies with scattered light rain and northerly flow over Tokyo on August 30, limiting daytime solar heating and suppressing maximum temperatures to the 26–28 °C range. Persistent cloud cover and elevated humidity from the current unsettled pattern reduce surface warming relative to typical late-August climatology near 30 °C. Market-implied odds concentrate on 27 °C (38 %) and nearby values because these align with the latest model consensus and observed cooling trends from the prior 48 hours. Traders weigh the low probability of rapid clearing against the risk of slight model revisions before resolution.
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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