Trader consensus on Polymarket has locked in 18°C as Tokyo's highest temperature on April 25 at 100% implied probability, driven by Japan Meteorological Agency (JMA) surface observations from the official Tokyo station showing a midday peak of 18°C under partly cloudy skies. This outcome reflects reduced solar insolation from cloud cover and influence from a cooler air mass, well below the seasonal daily normal maximum of 21.7°C. Diurnal cooling has since set in with evening winds, minimizing upside risk. A realistic challenge would require an improbable late-afternoon heat burst exceeding forecasts, but current model consensus and declining temperatures make this highly unlikely before market 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 April 25?
Highest temperature in Tokyo on April 25?
18°C 100.0%
12°C or below <1%
13°C <1%
14°C <1%
$109,028 Vol.
$109,028 Vol.
Apr 25, 2026
12°C or below
No
13°C
No
14°C
No
15°C
No
16°C
No
17°C
No
18°C
Yes
19°C
No
20°C
No
21°C
No
22°C or higher
No
18°C 100.0%
12°C or below <1%
13°C <1%
14°C <1%
$109,028 Vol.
$109,028 Vol.
Apr 25, 2026
12°C or below
$899 Vol.
No
13°C
$1,429 Vol.
No
14°C
$1,150 Vol.
No
15°C
$7,823 Vol.
No
16°C
$20,300 Vol.
No
17°C
$12,896 Vol.
No
18°C
$16,693 Vol.
Yes
19°C
$14,560 Vol.
No
20°C
$18,684 Vol.
No
21°C
$7,959 Vol.
No
22°C or higher
$6,637 Vol.
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 25 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Trader consensus on Polymarket has locked in 18°C as Tokyo's highest temperature on April 25 at 100% implied probability, driven by Japan Meteorological Agency (JMA) surface observations from the official Tokyo station showing a midday peak of 18°C under partly cloudy skies. This outcome reflects reduced solar insolation from cloud cover and influence from a cooler air mass, well below the seasonal daily normal maximum of 21.7°C. Diurnal cooling has since set in with evening winds, minimizing upside risk. A realistic challenge would require an improbable late-afternoon heat burst exceeding forecasts, but current model consensus and declining temperatures make this highly unlikely before market resolution.
This market will resolve to the temperature range that contains the highest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 25 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: Apr 23, 2026, 12:11 AM ET
Volume
$109,028End Date
Apr 25, 2026Market Opened
Apr 23, 2026, 12:11 AM ETResolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve to the temperature range that contains the highest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 25 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Trader consensus on Polymarket has locked in 18°C as Tokyo's highest temperature on April 25 at 100% implied probability, driven by Japan Meteorological Agency (JMA) surface observations from the official Tokyo station showing a midday peak of 18°C under partly cloudy skies. This outcome reflects reduced solar insolation from cloud cover and influence from a cooler air mass, well below the seasonal daily normal maximum of 21.7°C. Diurnal cooling has since set in with evening winds, minimizing upside risk. A realistic challenge would require an improbable late-afternoon heat burst exceeding forecasts, but current model consensus and declining temperatures make this highly unlikely before market resolution.
This market will resolve to the temperature range that contains the highest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 25 Apr '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$109,028End Date
Apr 25, 2026Market Opened
Apr 23, 2026, 12:11 AM ETResolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Trader consensus on Polymarket has locked in 18°C as Tokyo's highest temperature on April 25 at 100% implied probability, driven by Japan Meteorological Agency (JMA) surface observations from the official Tokyo station showing a midday peak of 18°C under partly cloudy skies. This outcome reflects reduced solar insolation from cloud cover and influence from a cooler air mass, well below the seasonal daily normal maximum of 21.7°C. Diurnal cooling has since set in with evening winds, minimizing upside risk. A realistic challenge would require an improbable late-afternoon heat burst exceeding forecasts, but current model consensus and declining temperatures make this highly unlikely before market 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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