Official observations from Guangzhou weather stations, aggregated by sources like Time and Date, confirm the highest temperature reached 30°C around 11:00–12:00 local time on April 20, 2026, amid morning fog transitioning to partly sunny conditions before afternoon rain showers and overcast skies suppressed further warming. This aligns with China Meteorological Administration reports of localized thunderstorms and a high of 29°C at urban stations like Wushan, reflecting typical mid-April subtropical patterns where sea breezes and convective activity cap daytime highs around 28–30°C amid rising seasonal averages. Trader consensus at 100% on 30°C reflects this verified peak, with minimal risk of revision barring anomalous late-evening data discrepancies from peripheral stations, as solar heating wanes post-sunset.
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 April 20?
30°C 100.0%
27°C or below <1%
28°C <1%
29°C <1%
$49,699 Vol.
$49,699 Vol.
27°C or below
No
28°C
No
29°C
No
30°C
Yes
31°C
No
32°C
No
33°C
No
34°C
No
35°C
No
36°C
No
37°C or higher
No
30°C 100.0%
27°C or below <1%
28°C <1%
29°C <1%
$49,699 Vol.
$49,699 Vol.
27°C or below
No
28°C
No
29°C
No
30°C
Yes
31°C
No
32°C
No
33°C
No
34°C
No
35°C
No
36°C
No
37°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 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: Apr 18, 2026, 1:09 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/guangzhou/ZGGGResolver
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 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.
Resolution Source
https://www.wunderground.com/history/daily/cn/guangzhou/ZGGGResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official observations from Guangzhou weather stations, aggregated by sources like Time and Date, confirm the highest temperature reached 30°C around 11:00–12:00 local time on April 20, 2026, amid morning fog transitioning to partly sunny conditions before afternoon rain showers and overcast skies suppressed further warming. This aligns with China Meteorological Administration reports of localized thunderstorms and a high of 29°C at urban stations like Wushan, reflecting typical mid-April subtropical patterns where sea breezes and convective activity cap daytime highs around 28–30°C amid rising seasonal averages. Trader consensus at 100% on 30°C reflects this verified peak, with minimal risk of revision barring anomalous late-evening data discrepancies from peripheral stations, as solar heating wanes post-sunset.
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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