Tokyo's highest temperature on August 23 is projected at 31°C by consensus forecast models from agencies including the Japan Meteorological Agency, reflecting persistent summer high pressure and typical urban heat retention in the Kanto region. Historical August averages hover near 30–32°C with high humidity often amplifying perceived warmth, and recent daily outlooks consistently list maxima of 30–31°C amid partly cloudy conditions and possible showers that limit further heating. Trader sentiment reflects this narrow forecast band, as deviations would require unexpected shifts in cloud cover, wind patterns, or a stronger heat dome. Late-day observations or minor model revisions remain the primary variables that could still influence final recorded values.
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 23?
31°C 100.0%
25°C or below <1%
26°C <1%
27°C <1%
$50,481 Vol.
$50,481 Vol.
25°C or below
<1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C
100%
32°C
<1%
33°C
<1%
34°C
<1%
35°C or higher
<1%
31°C 100.0%
25°C or below <1%
26°C <1%
27°C <1%
$50,481 Vol.
$50,481 Vol.
25°C or below
<1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C
100%
32°C
<1%
33°C
<1%
34°C
<1%
35°C or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 23 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °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 21, 2026, 12:56 AM ET
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 23 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °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.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Tokyo's highest temperature on August 23 is projected at 31°C by consensus forecast models from agencies including the Japan Meteorological Agency, reflecting persistent summer high pressure and typical urban heat retention in the Kanto region. Historical August averages hover near 30–32°C with high humidity often amplifying perceived warmth, and recent daily outlooks consistently list maxima of 30–31°C amid partly cloudy conditions and possible showers that limit further heating. Trader sentiment reflects this narrow forecast band, as deviations would require unexpected shifts in cloud cover, wind patterns, or a stronger heat dome. Late-day observations or minor model revisions remain the primary variables that could still influence final recorded values.
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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