Trader consensus on Polymarket has locked in a 100% implied probability for Guangzhou's highest temperature reaching exactly 27°C on May 3, backed by official observations from the China Meteorological Administration's Baiyun station and supporting data from global models like ECMWF. Persistent cloud cover, showers, and high humidity—hallmarks of early May's transitional monsoon onset—suppressed daytime solar heating, with hourly readings peaking near 27°C amid overcast skies, aligning below the historical May average high of 29°C. This positioning reflects skin-in-the-game certainty from real-time meteorological data, though minimal scenarios like a late-afternoon clearing and rapid insolation could challenge it if unvalidated station logs show a 0.5°C rounding discrepancy before final CMA validation.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Guangzhou on May 3?
Highest temperature in Guangzhou on May 3?
27°C 100.0%
23°C or below <1%
24°C <1%
25°C <1%
$50,523 Vol.
$50,523 Vol.
May 3, 2026
23°C or below
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C
No
31°C
No
32°C
No
33°C or higher
No
27°C 100.0%
23°C or below <1%
24°C <1%
25°C <1%
$50,523 Vol.
$50,523 Vol.
May 3, 2026
23°C or below
$2,172 Vol.
No
24°C
$2,162 Vol.
No
25°C
$3,156 Vol.
No
26°C
$10,458 Vol.
No
27°C
$4,566 Vol.
Yes
28°C
$5,228 Vol.
No
29°C
$4,317 Vol.
No
30°C
$4,359 Vol.
No
31°C
$3,622 Vol.
No
32°C
$4,910 Vol.
No
33°C or higher
$5,573 Vol.
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Guangzhou Baiyun International Airport Station in degrees Celsius on 3 May '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 Guangzhou Baiyun International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/guangzhou/ZGGG.
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 a 100% implied probability for Guangzhou's highest temperature reaching exactly 27°C on May 3, backed by official observations from the China Meteorological Administration's Baiyun station and supporting data from global models like ECMWF. Persistent cloud cover, showers, and high humidity—hallmarks of early May's transitional monsoon onset—suppressed daytime solar heating, with hourly readings peaking near 27°C amid overcast skies, aligning below the historical May average high of 29°C. This positioning reflects skin-in-the-game certainty from real-time meteorological data, though minimal scenarios like a late-afternoon clearing and rapid insolation could challenge it if unvalidated station logs show a 0.5°C rounding discrepancy before final CMA validation.
This market will resolve to the temperature range that contains the highest temperature recorded at the Guangzhou Baiyun International Airport Station in degrees Celsius on 3 May '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 Guangzhou Baiyun International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/guangzhou/ZGGG.
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 Guangzhou Baiyun International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/guangzhou/ZGGG.
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 1, 2026, 12:50 AM ET
Volume
$50,523End Date
May 3, 2026Market Opened
May 1, 2026, 12:50 AM ETResolution Source
https://www.wunderground.com/history/daily/cn/guangzhou/ZGGGResolver
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 Guangzhou Baiyun International Airport Station in degrees Celsius on 3 May '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 Guangzhou Baiyun International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/guangzhou/ZGGG.
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 a 100% implied probability for Guangzhou's highest temperature reaching exactly 27°C on May 3, backed by official observations from the China Meteorological Administration's Baiyun station and supporting data from global models like ECMWF. Persistent cloud cover, showers, and high humidity—hallmarks of early May's transitional monsoon onset—suppressed daytime solar heating, with hourly readings peaking near 27°C amid overcast skies, aligning below the historical May average high of 29°C. This positioning reflects skin-in-the-game certainty from real-time meteorological data, though minimal scenarios like a late-afternoon clearing and rapid insolation could challenge it if unvalidated station logs show a 0.5°C rounding discrepancy before final CMA validation.
This market will resolve to the temperature range that contains the highest temperature recorded at the Guangzhou Baiyun International Airport Station in degrees Celsius on 3 May '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 Guangzhou Baiyun International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/guangzhou/ZGGG.
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 Guangzhou Baiyun International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/guangzhou/ZGGG.
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
$50,523End Date
May 3, 2026Market Opened
May 1, 2026, 12:50 AM ETResolution Source
https://www.wunderground.com/history/daily/cn/guangzhou/ZGGGResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Trader consensus on Polymarket has locked in a 100% implied probability for Guangzhou's highest temperature reaching exactly 27°C on May 3, backed by official observations from the China Meteorological Administration's Baiyun station and supporting data from global models like ECMWF. Persistent cloud cover, showers, and high humidity—hallmarks of early May's transitional monsoon onset—suppressed daytime solar heating, with hourly readings peaking near 27°C amid overcast skies, aligning below the historical May average high of 29°C. This positioning reflects skin-in-the-game certainty from real-time meteorological data, though minimal scenarios like a late-afternoon clearing and rapid insolation could challenge it if unvalidated station logs show a 0.5°C rounding discrepancy before final CMA validation.
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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