Latest global weather model ensembles, including GFS and ECMWF, project Shanghai's lowest temperature on May 1 at 10–12°C, driving strong trader consensus toward 11°C (54.5% implied probability) and 12°C (29.5%), with 10°C close behind at 24.5%. This positioning reflects recent advection of cool continental air via persistent northerly winds, evident in April 30's unusually low readings near 8°C at Shanghai's Xujiahui station, combined with afternoon cloud cover limiting daytime heating. While historical early-May lows average 15–16°C on the Saffir-Simpson-influenced spring variability, current conditions favor moderation over rebound. Official China Meteorological Administration guidance shows a warmer 16°C low, underscoring forecast uncertainty; watch Shanghai Observatory's hourly updates and evening soundings for shifts ahead of resolution.
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 1?
Lowest temperature in Shanghai on May 1?
11°C 55%
10°C 3%
9°C <1%
8°C <1%
7°C or below
<1%
8°C
<1%
9°C
1%
10°C
23%
11°C
39%
12°C
41%
13°C
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C or higher
<1%
11°C 55%
10°C 3%
9°C <1%
8°C <1%
7°C or below
<1%
8°C
<1%
9°C
1%
10°C
23%
11°C
39%
12°C
41%
13°C
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C or higher
<1%
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: Apr 29, 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...Latest global weather model ensembles, including GFS and ECMWF, project Shanghai's lowest temperature on May 1 at 10–12°C, driving strong trader consensus toward 11°C (54.5% implied probability) and 12°C (29.5%), with 10°C close behind at 24.5%. This positioning reflects recent advection of cool continental air via persistent northerly winds, evident in April 30's unusually low readings near 8°C at Shanghai's Xujiahui station, combined with afternoon cloud cover limiting daytime heating. While historical early-May lows average 15–16°C on the Saffir-Simpson-influenced spring variability, current conditions favor moderation over rebound. Official China Meteorological Administration guidance shows a warmer 16°C low, underscoring forecast uncertainty; watch Shanghai Observatory's hourly updates and evening soundings for shifts ahead of resolution.
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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