Trader consensus has locked in 16°C as the highest temperature in Shanghai on March 23, driven by the latest ensemble forecasts from major models like ECMWF and GFS, which converge on a daytime high of exactly 16°C amid persistent cool northerly winds and cloudy skies suppressing warming. Official data from the China Meteorological Administration aligns, showing current conditions with morning lows around 8-10°C and limited solar insolation due to overcast cover, consistent with Shanghai's early spring climatology where March maxima average 13-17°C. This positioning reflects high model agreement and minimal diurnal variability. Realistic challenges include an unforeseen clearance of clouds boosting shortwave radiation or a model underestimation of urban heat island effects, potentially pushing temps to 17-18°C, though such deviations occur in under 10% of similar setups historically.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Shanghai on March 23?
Highest temperature in Shanghai on March 23?
16°C 100.0%
11°C or below <1%
12°C <1%
13°C <1%
$0.00 Vol.
$0.00 Vol.
11°C or below
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
Yes
17°C
No
18°C
No
19°C
No
20°C
No
21°C or higher
No
16°C 100.0%
11°C or below <1%
12°C <1%
13°C <1%
$0.00 Vol.
$0.00 Vol.
11°C or below
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
Yes
17°C
No
18°C
No
19°C
No
20°C
No
21°C or higher
No
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 19, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Trader consensus has locked in 16°C as the highest temperature in Shanghai on March 23, driven by the latest ensemble forecasts from major models like ECMWF and GFS, which converge on a daytime high of exactly 16°C amid persistent cool northerly winds and cloudy skies suppressing warming. Official data from the China Meteorological Administration aligns, showing current conditions with morning lows around 8-10°C and limited solar insolation due to overcast cover, consistent with Shanghai's early spring climatology where March maxima average 13-17°C. This positioning reflects high model agreement and minimal diurnal variability. Realistic challenges include an unforeseen clearance of clouds boosting shortwave radiation or a model underestimation of urban heat island effects, potentially pushing temps to 17-18°C, though such deviations occur in under 10% of similar setups historically.
Experimental AI-generated summary referencing Polymarket data · Updated
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