Trader consensus clusters tightly around 16–18°C highs for Beijing on March 21, reflecting the latest ensemble forecasts from ECMWF and GFS models, which project mild spring conditions with daytime peaks in that narrow band amid light southerly winds and partial cloud cover. These leading outcomes edge out slightly cooler 14–15°C bets due to a fading cold surge from Mongolia, as evidenced by recent upper-air analyses showing jet stream retreat northward. Historical March 21 data at Beijing Capital International Airport averages 13–15°C, but urban heat island effects and 500-hPa ridge amplification boost model confidence in the warmer cluster, with 1–2°C spreads underscoring resolution uncertainty tied to peak-hour observations. Upcoming 00Z model updates could shift odds further.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Beijing on March 21?
Highest temperature in Beijing on March 21?
16°C 47%
18°C 33%
17°C 27%
15°C 12%
12°C or below
1%
13°C
2%
14°C
8%
15°C
12%
16°C
33%
17°C
27%
18°C
33%
19°C
6%
20°C
3%
21°C
6%
22°C or higher
<1%
16°C 47%
18°C 33%
17°C 27%
15°C 12%
12°C or below
1%
13°C
2%
14°C
8%
15°C
12%
16°C
33%
17°C
27%
18°C
33%
19°C
6%
20°C
3%
21°C
6%
22°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: Mar 19, 2026, 6:59 PM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/beijing/ZBAAResolver
0x69c47De9D...Resolution Source
https://www.wunderground.com/history/daily/cn/beijing/ZBAAResolver
0x69c47De9D...Trader consensus clusters tightly around 16–18°C highs for Beijing on March 21, reflecting the latest ensemble forecasts from ECMWF and GFS models, which project mild spring conditions with daytime peaks in that narrow band amid light southerly winds and partial cloud cover. These leading outcomes edge out slightly cooler 14–15°C bets due to a fading cold surge from Mongolia, as evidenced by recent upper-air analyses showing jet stream retreat northward. Historical March 21 data at Beijing Capital International Airport averages 13–15°C, but urban heat island effects and 500-hPa ridge amplification boost model confidence in the warmer cluster, with 1–2°C spreads underscoring resolution uncertainty tied to peak-hour observations. Upcoming 00Z model updates could shift odds further.
Experimental AI-generated summary referencing Polymarket data · Updated
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