Latest ensemble forecast models from ECMWF and GFS converge on a high temperature of 16°C for Shanghai on March 27, under a stabilizing high-pressure ridge over eastern China, fueling the 41% trader consensus for this outcome. Recent observational data shows daytime highs rising from 12-14°C mid-week amid reduced cloud cover and weakening northerly winds, departing slightly above the late-March climatological average of 13-15°C. Model spread remains narrow at ±1-2°C across 15-17°C outcomes (27.5% and 20.5% probabilities), reflecting low uncertainty in boundary layer conditions but sensitivity to any late cold air advection. Local meteorological updates expected within 24 hours could refine these implied odds ahead of resolution.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Shanghai on March 27?
Highest temperature in Shanghai on March 27?
16°C 41%
15°C 31%
17°C 19%
18°C 5.5%
$70,456 Vol.
$70,456 Vol.
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
4%
15°C
31%
16°C
41%
17°C
19%
18°C
6%
19°C
2%
20°C
<1%
21°C or higher
<1%
16°C 41%
15°C 31%
17°C 19%
18°C 5.5%
$70,456 Vol.
$70,456 Vol.
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
4%
15°C
31%
16°C
41%
17°C
19%
18°C
6%
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 forecast models from ECMWF and GFS converge on a high temperature of 16°C for Shanghai on March 27, under a stabilizing high-pressure ridge over eastern China, fueling the 41% trader consensus for this outcome. Recent observational data shows daytime highs rising from 12-14°C mid-week amid reduced cloud cover and weakening northerly winds, departing slightly above the late-March climatological average of 13-15°C. Model spread remains narrow at ±1-2°C across 15-17°C outcomes (27.5% and 20.5% probabilities), reflecting low uncertainty in boundary layer conditions but sensitivity to any late cold air advection. Local meteorological updates expected within 24 hours could refine these implied odds ahead of resolution.
Experimental AI-generated summary referencing Polymarket data · Updated
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