Tokyo's highest temperature market reflects 100% trader consensus on 25°C or higher at Haneda Airport Station, driven by official observations already surpassing this threshold amid stronger-than-forecast solar insolation and partial clearing after morning clouds. Japan Meteorological Agency models initially projected 23–25°C under light northerly winds and 20–30% precipitation odds, aligning with early May climatological normals of 23.1°C maximum, but actual readings peaked above 25°C during afternoon hours, boosted by high-pressure ridging and reduced humidity. With the daily peak window past and data stabilizing on Wunderground's historical records, revision risks are minimal barring rare post-finalization adjustments ignored by market rules; sustained cloudiness earlier would have been needed to cap below 25°C, now improbable. JMA evening updates may confirm the high.
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 May 10?
25°C or higher 100.0%
15°C or below <1%
16°C <1%
17°C <1%
$167,495 Vol.
$167,495 Vol.
15°C or below
No
16°C
No
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C or higher
Yes
25°C or higher 100.0%
15°C or below <1%
16°C <1%
17°C <1%
$167,495 Vol.
$167,495 Vol.
15°C or below
No
16°C
No
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C or higher
Yes
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: May 8, 2026, 12:07 AM ET
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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.
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Tokyo's highest temperature market reflects 100% trader consensus on 25°C or higher at Haneda Airport Station, driven by official observations already surpassing this threshold amid stronger-than-forecast solar insolation and partial clearing after morning clouds. Japan Meteorological Agency models initially projected 23–25°C under light northerly winds and 20–30% precipitation odds, aligning with early May climatological normals of 23.1°C maximum, but actual readings peaked above 25°C during afternoon hours, boosted by high-pressure ridging and reduced humidity. With the daily peak window past and data stabilizing on Wunderground's historical records, revision risks are minimal barring rare post-finalization adjustments ignored by market rules; sustained cloudiness earlier would have been needed to cap below 25°C, now improbable. JMA evening updates may confirm the high.
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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