Latest ensemble forecasts from GFS and ECMWF models project Shanghai's highest temperature on March 27 at 16°C, aligning with trader consensus at 44.5% implied probability, followed by 17°C at 29.5%. This positioning stems from a recent shift in upper-level steering patterns, with a high-pressure ridge over eastern China weakening to usher cooler northerly airflow amid neutral ENSO conditions. Shanghai's March climatological average high is 13–15°C, but the past week featured mild anomalies up to 18°C before an approaching cold front late on March 26, per China Meteorological Administration advisories. Inherent model uncertainty persists, with daily 00Z and 12Z runs potentially adjusting trajectories; monitor for refined guidance.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Shanghai on March 27?
Highest temperature in Shanghai on March 27?
16°C 46%
17°C 31%
15°C 14%
18°C 4.1%
$27,154 Vol.
$27,154 Vol.
11°C or below
<1%
12°C
<1%
13°C
1%
14°C
2%
15°C
14%
16°C
46%
17°C
31%
18°C
4%
19°C
2%
20°C
1%
21°C or higher
1%
16°C 46%
17°C 31%
15°C 14%
18°C 4.1%
$27,154 Vol.
$27,154 Vol.
11°C or below
<1%
12°C
<1%
13°C
1%
14°C
2%
15°C
14%
16°C
46%
17°C
31%
18°C
4%
19°C
2%
20°C
1%
21°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 Shanghai Pudong International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/cn/shanghai/ZSPD.
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 23, 2026, 6:03 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Latest ensemble forecasts from GFS and ECMWF models project Shanghai's highest temperature on March 27 at 16°C, aligning with trader consensus at 44.5% implied probability, followed by 17°C at 29.5%. This positioning stems from a recent shift in upper-level steering patterns, with a high-pressure ridge over eastern China weakening to usher cooler northerly airflow amid neutral ENSO conditions. Shanghai's March climatological average high is 13–15°C, but the past week featured mild anomalies up to 18°C before an approaching cold front late on March 26, per China Meteorological Administration advisories. Inherent model uncertainty persists, with daily 00Z and 12Z runs potentially adjusting trajectories; monitor for refined guidance.
Experimental AI-generated summary referencing Polymarket data · Updated
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