Official meteorological observations and forecast models from the China Meteorological Administration show Beijing reaching a daily maximum of 28°C on August 26 under stable high-pressure conditions and light winds that limit afternoon cooling. This aligns with historical August climatology for the region, where similar synoptic patterns produce highs in the upper 20s Celsius. Trader consensus at 100% implied probability for exactly 28°C reflects real-time station data converging on this threshold, with minimal model spread. Late-day convective activity or revised quality-controlled readings could still shift the final certified maximum, though current evidence indicates low likelihood of such adjustments.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Beijing on August 26?
28°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$77,078 Vol.
$77,078 Vol.
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
No
28°C
Yes
29°C
No
30°C or higher
No
28°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$77,078 Vol.
$77,078 Vol.
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
No
28°C
Yes
29°C
No
30°C or higher
No
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zbaa
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 24, 2026, 12:57 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=zbaaResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=zbaa
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=zbaaResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official meteorological observations and forecast models from the China Meteorological Administration show Beijing reaching a daily maximum of 28°C on August 26 under stable high-pressure conditions and light winds that limit afternoon cooling. This aligns with historical August climatology for the region, where similar synoptic patterns produce highs in the upper 20s Celsius. Trader consensus at 100% implied probability for exactly 28°C reflects real-time station data converging on this threshold, with minimal model spread. Late-day convective activity or revised quality-controlled readings could still shift the final certified maximum, though current evidence indicates low likelihood of such adjustments.
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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