Current meteorological forecast models from official agencies indicate a Beijing high near 19°C today, driven by persistent high-pressure subsidence that limits daytime heating and maintains stable atmospheric conditions across the North China Plain. This alignment with mid-May climatological averages—typically featuring highs around 25°C but tempered by cooler northerly flow—underpins the market's overwhelming 99.4% implied probability for exactly 19°C. Ensemble guidance shows minimal spread, with only minor potential for 20°C if boundary-layer mixing strengthens unexpectedly, though resolution hinges on verified maximum readings at standard stations.
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 17?
19°C 99.4%
20°C <1%
13°C or below <1%
14°C <1%
$101,824 Vol.
$101,824 Vol.
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C
99%
20°C
<1%
21°C
<1%
22°C
<1%
23°C or higher
<1%
19°C 99.4%
20°C <1%
13°C or below <1%
14°C <1%
$101,824 Vol.
$101,824 Vol.
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C
99%
20°C
<1%
21°C
<1%
22°C
<1%
23°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: May 15, 2026, 12:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/beijing/ZBAAThe 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/ZBAACurrent meteorological forecast models from official agencies indicate a Beijing high near 19°C today, driven by persistent high-pressure subsidence that limits daytime heating and maintains stable atmospheric conditions across the North China Plain. This alignment with mid-May climatological averages—typically featuring highs around 25°C but tempered by cooler northerly flow—underpins the market's overwhelming 99.4% implied probability for exactly 19°C. Ensemble guidance shows minimal spread, with only minor potential for 20°C if boundary-layer mixing strengthens unexpectedly, though resolution hinges on verified maximum readings at standard stations.
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