Latest ensemble forecasts from the European Centre for Medium-Range Weather Forecasts (ECMWF), Global Forecast System (GFS), and China Meteorological Administration (CMA) show Beijing's highest temperature on May 1 clustering tightly at 26-28°C, driving the razor-thin trader split with 27°C implied at 38% and 28°C at 35.5%. Persistent above-normal spring warmth through April 2026, including recent highs exceeding 25°C, has nudged models upward from climatological May 1 averages of 24-25°C, though light cloud cover, southerly breezes, and urban heat effects create differentiation. Inherent short-range uncertainty persists, with CMA hourly observations and evening model refreshes key to resolution amid typical diurnal swings of 10-15°C.
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 May 1?
Highest temperature in Beijing on May 1?
27°C 38%
28°C 36%
26°C 24%
29°C 7%
$36,735 Vol.
$36,735 Vol.
23°C or below
<1%
24°C
<1%
25°C
2%
26°C
24%
27°C
38%
28°C
36%
29°C
7%
30°C
1%
31°C
<1%
32°C
<1%
33°C or higher
<1%
27°C 38%
28°C 36%
26°C 24%
29°C 7%
$36,735 Vol.
$36,735 Vol.
23°C or below
<1%
24°C
<1%
25°C
2%
26°C
24%
27°C
38%
28°C
36%
29°C
7%
30°C
1%
31°C
<1%
32°C
<1%
33°C or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Beijing Capital International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/beijing/ZBAA.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: Apr 29, 2026, 12:15 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/beijing/ZBAAResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Beijing Capital International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/beijing/ZBAA.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Resolution Source
https://www.wunderground.com/history/daily/cn/beijing/ZBAAResolver
0x69c47De9D...Latest ensemble forecasts from the European Centre for Medium-Range Weather Forecasts (ECMWF), Global Forecast System (GFS), and China Meteorological Administration (CMA) show Beijing's highest temperature on May 1 clustering tightly at 26-28°C, driving the razor-thin trader split with 27°C implied at 38% and 28°C at 35.5%. Persistent above-normal spring warmth through April 2026, including recent highs exceeding 25°C, has nudged models upward from climatological May 1 averages of 24-25°C, though light cloud cover, southerly breezes, and urban heat effects create differentiation. Inherent short-range uncertainty persists, with CMA hourly observations and evening model refreshes key to resolution amid typical diurnal swings of 10-15°C.
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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