Current forecasts from multiple models indicate overnight lows in Zhengzhou on September 19 will likely range from 19–23°C under partly cloudy skies, light easterly winds, and stable high pressure that limits radiative cooling. This aligns with late-summer climatology for the region, where average September minima hover near 18–20°C. Trader emphasis on the 25°C-or-higher outcome (42.5% implied) reflects uncertainty in model spread and the possibility of warmer advection, while probabilities clustered around 18–20°C capture the consensus central tendency. No significant cold front or heat anomaly has emerged in the past 48 hours to shift the outlook. Updated model runs and official Chinese Meteorological Administration guidance on the 19th will provide the key data for 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 September 19?
25°C or higher 84%
18°C 48%
15°C or below 28%
16°C 22%
15°C or below
28%
16°C
22%
17°C
22%
18°C
28%
19°C
22%
20°C
21%
21°C
21%
22°C
21%
23°C
18%
24°C
18%
25°C or higher
84%
25°C or higher 84%
18°C 48%
15°C or below 28%
16°C 22%
15°C or below
28%
16°C
22%
17°C
22%
18°C
28%
19°C
22%
20°C
21%
21°C
21%
22°C
21%
23°C
18%
24°C
18%
25°C or higher
84%
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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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: Sep 18, 2026, 12:29 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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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...Current forecasts from multiple models indicate overnight lows in Zhengzhou on September 19 will likely range from 19–23°C under partly cloudy skies, light easterly winds, and stable high pressure that limits radiative cooling. This aligns with late-summer climatology for the region, where average September minima hover near 18–20°C. Trader emphasis on the 25°C-or-higher outcome (42.5% implied) reflects uncertainty in model spread and the possibility of warmer advection, while probabilities clustered around 18–20°C capture the consensus central tendency. No significant cold front or heat anomaly has emerged in the past 48 hours to shift the outlook. Updated model runs and official Chinese Meteorological Administration guidance on the 19th will provide the key data for resolution.
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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