Persistent cloud cover, high humidity above 90%, and frequent overnight thunderstorms have limited radiative cooling in Guangzhou, supporting minimum temperatures near the historical August average of 25.2°C. Light winds and the urban heat island effect further elevate overnight lows, with official forecasts from regional models converging on 26–28°C. The tight market split between 25°C and 26°C reflects uncertainty in exact model outputs for peak cooling periods before dawn, as even minor variations in precipitation timing or wind shifts could determine the final recorded minimum. Updated observations through the evening will likely resolve the narrow gap ahead of market close.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Guangzhou on August 28?
23°C <1%
21°C or below <1%
22°C <1%
27°C <1%
21°C or below
<1%
22°C
<1%
23°C
<1%
24°C
46%
25°C
46%
26°C
51%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C or higher
<1%
23°C <1%
21°C or below <1%
22°C <1%
27°C <1%
21°C or below
<1%
22°C
<1%
23°C
<1%
24°C
46%
25°C
46%
26°C
51%
27°C
<1%
28°C
<1%
29°C
<1%
30°C
<1%
31°C or higher
<1%
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=zggg
If NOAA data is unavailable or missing for the observation period, Weather Underground will be used as the secondary resolution source.
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 26, 2026, 12:31 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zgggResolver
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=zggg
If NOAA data is unavailable or missing for the observation period, Weather Underground will be used as the secondary resolution source.
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=zgggResolver
0x69c47De9D...Persistent cloud cover, high humidity above 90%, and frequent overnight thunderstorms have limited radiative cooling in Guangzhou, supporting minimum temperatures near the historical August average of 25.2°C. Light winds and the urban heat island effect further elevate overnight lows, with official forecasts from regional models converging on 26–28°C. The tight market split between 25°C and 26°C reflects uncertainty in exact model outputs for peak cooling periods before dawn, as even minor variations in precipitation timing or wind shifts could determine the final recorded minimum. Updated observations through the evening will likely resolve the narrow gap ahead of market close.
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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