Trader sentiment for Shanghai's May 4 minimum temperature reveals profound forecast uncertainty, with market-implied odds split evenly between extremes like 8°C or below and 18°C or higher at 25.5% each, reflecting divergent global model ensembles such as GFS and ECMWF on post-frontal evolution. A recent cold front sweeping the Yangtze River Delta brought rain and lows near 11°C on May 1–2, cooling the region below May climatological norms of 16°C; however, dry overcast conditions forecast for May 4 introduce variables like radiative cooling under potential sky clearing versus trapped heat from persistent stratus clouds. Light winds (8 mph) and low humidity (29%) favor deeper cooling, but new 00Z model runs and China Meteorological Administration updates today could sharpen consensus ahead of pre-dawn minimums at Pudong or central stations.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Shanghai on May 4?
Lowest temperature in Shanghai on May 4?
13°C 23%
12°C 19%
14°C 18%
11°C 17%
8°C or below
1%
9°C
7%
10°C
12%
11°C
17%
12°C
19%
13°C
23%
14°C
18%
15°C
15%
16°C
14%
17°C
7%
18°C or higher
2%
13°C 23%
12°C 19%
14°C 18%
11°C 17%
8°C or below
1%
9°C
7%
10°C
12%
11°C
17%
12°C
19%
13°C
23%
14°C
18%
15°C
15%
16°C
14%
17°C
7%
18°C or higher
2%
The resolution source for this market will be information from Wunderground, specifically the lowest 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: May 2, 2026, 12:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the lowest 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.
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Trader sentiment for Shanghai's May 4 minimum temperature reveals profound forecast uncertainty, with market-implied odds split evenly between extremes like 8°C or below and 18°C or higher at 25.5% each, reflecting divergent global model ensembles such as GFS and ECMWF on post-frontal evolution. A recent cold front sweeping the Yangtze River Delta brought rain and lows near 11°C on May 1–2, cooling the region below May climatological norms of 16°C; however, dry overcast conditions forecast for May 4 introduce variables like radiative cooling under potential sky clearing versus trapped heat from persistent stratus clouds. Light winds (8 mph) and low humidity (29%) favor deeper cooling, but new 00Z model runs and China Meteorological Administration updates today could sharpen consensus ahead of pre-dawn minimums at Pudong or central stations.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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