Persistent heavy rainfall, extensive cloud cover, and northeasterly winds with humidity above 90% have suppressed daytime heating across Zhengzhou, driving forecast models from sources such as the BBC and timeanddate toward a maximum of 24–25°C on August 12. This deviates sharply from climatological August averages near 30–32°C because evaporative cooling and reduced solar insolation limit warming. Market-implied odds reflect this strong consensus, with 25°C at 99.5% probability. Realistic challenges include earlier-than-expected clearance of clouds or localized model biases in precipitation timing that could allow brief periods of stronger insolation and a higher reading.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Zhengzhou on August 12?
25°C 99.5%
26°C <1%
22°C or below <1%
23°C <1%
$14,006 Vol.
$14,006 Vol.
22°C or below
<1%
23°C
<1%
24°C
<1%
25°C
100%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C
<1%
32°C or higher
<1%
25°C 99.5%
26°C <1%
22°C or below <1%
23°C <1%
$14,006 Vol.
$14,006 Vol.
22°C or below
<1%
23°C
<1%
24°C
<1%
25°C
100%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C
<1%
32°C or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Zhengzhou Xinzheng International Airport Station in degrees Celsius on 12 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Zhengzhou Xinzheng International Airport Station, available here: https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCC.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Market Opened: Aug 11, 2026, 12:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCCResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Zhengzhou Xinzheng International Airport Station in degrees Celsius on 12 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Zhengzhou Xinzheng International Airport Station, available here: https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCC.
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 until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Resolution Source
https://www.wunderground.com/history/daily/cn/zhengzhou/ZHCCResolver
0x69c47De9D...Persistent heavy rainfall, extensive cloud cover, and northeasterly winds with humidity above 90% have suppressed daytime heating across Zhengzhou, driving forecast models from sources such as the BBC and timeanddate toward a maximum of 24–25°C on August 12. This deviates sharply from climatological August averages near 30–32°C because evaporative cooling and reduced solar insolation limit warming. Market-implied odds reflect this strong consensus, with 25°C at 99.5% probability. Realistic challenges include earlier-than-expected clearance of clouds or localized model biases in precipitation timing that could allow brief periods of stronger insolation and a higher reading.
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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