Trader consensus on Polymarket has locked in a 100% implied probability for a highest temperature of 24°C at Shanghai Pudong International Airport on May 10, driven by official hourly observations from the station and METAR reports confirming a midday peak of 24°C under persistent overcast skies that suppressed solar heating. China Meteorological Administration data and recent bulletins align with this, showing temperatures falling to 19°C by evening, well below initial forecasts of 25–26°C amid typical May cloudiness and light winds. This reflects skin-in-the-game alignment with verified measurements over model projections. Realistic challenges would require a rare official revision upward from Pudong records or undocumented late-afternoon spike before midnight resolution, both improbable given current cooling trends and climatological norms for early May highs averaging 24–25°C.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Shanghai on May 10?
24°C 100.0%
18°C or below <1%
19°C <1%
20°C <1%
$213,890 Vol.
$213,890 Vol.
18°C or below
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C or higher
No
24°C 100.0%
18°C or below <1%
19°C <1%
20°C <1%
$213,890 Vol.
$213,890 Vol.
18°C or below
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C or higher
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 Shanghai Pudong International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/shanghai/ZSPD.
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/cn/shanghai/ZSPDResolver
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 Shanghai Pudong International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/shanghai/ZSPD.
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/cn/shanghai/ZSPDResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Trader consensus on Polymarket has locked in a 100% implied probability for a highest temperature of 24°C at Shanghai Pudong International Airport on May 10, driven by official hourly observations from the station and METAR reports confirming a midday peak of 24°C under persistent overcast skies that suppressed solar heating. China Meteorological Administration data and recent bulletins align with this, showing temperatures falling to 19°C by evening, well below initial forecasts of 25–26°C amid typical May cloudiness and light winds. This reflects skin-in-the-game alignment with verified measurements over model projections. Realistic challenges would require a rare official revision upward from Pudong records or undocumented late-afternoon spike before midnight resolution, both improbable given current cooling trends and climatological norms for early May highs averaging 24–25°C.
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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