Strong model consensus and real-time observations from sources like the National Meteorological Center underpin the 100% market-implied odds for a daily minimum of 25°C or higher in Zhengzhou on August 23. Late-summer conditions in this humid subtropical region feature typical overnight lows of 23–28°C amid partly cloudy skies, scattered thundershowers, and moderate northeasterly winds, with early-day readings already stabilizing near 26–28°C. Historical August baselines and ensemble forecasts show no significant cooling mechanisms such as anomalous cold advection or prolonged heavy precipitation capable of dropping the minimum below threshold. Only an abrupt, unexpected model revision introducing a sharp frontal passage could realistically alter this positioning before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Zhengzhou on August 23?
25°C or higher 100.0%
$776 Vol.
$776 Vol.
25°C or higher
100%
25°C or higher 100.0%
$776 Vol.
$776 Vol.
25°C or higher
100%
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zhcc
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 22, 2026, 12:30 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zhccResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zhcc
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.weather.gov/wrh/timeseries?site=zhccResolver
0x69c47De9D...Strong model consensus and real-time observations from sources like the National Meteorological Center underpin the 100% market-implied odds for a daily minimum of 25°C or higher in Zhengzhou on August 23. Late-summer conditions in this humid subtropical region feature typical overnight lows of 23–28°C amid partly cloudy skies, scattered thundershowers, and moderate northeasterly winds, with early-day readings already stabilizing near 26–28°C. Historical August baselines and ensemble forecasts show no significant cooling mechanisms such as anomalous cold advection or prolonged heavy precipitation capable of dropping the minimum below threshold. Only an abrupt, unexpected model revision introducing a sharp frontal passage could realistically alter this positioning before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

Beware of external links.
Beware of external links.
Frequently Asked Questions