Current forecast models for Shanghai on August 18 project a daily high near 31–33°C under typical mid-August subtropical conditions, with elevated humidity and scattered thundershowers that could cap afternoon peaks. This range aligns closely with historical averages of 31–32°C and recent extended guidance showing overcast skies and possible rain, which favors the leading market-implied outcomes of 30–32°C. Model consensus remains stable absent major shifts in steering patterns or moisture influx, though minor revisions from updated runs could adjust the exact maximum before resolution. Traders appear to weigh these near-term atmospheric factors heavily against climatological baselines.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Shanghai on August 18?
31°C 38%
32°C 25%
30°C 24%
29°C 6%
26°C or below
<1%
27°C
<1%
28°C
2%
29°C
6%
30°C
24%
31°C
38%
32°C
25%
33°C
6%
34°C
2%
35°C
1%
36°C or higher
<1%
31°C 38%
32°C 25%
30°C 24%
29°C 6%
26°C or below
<1%
27°C
<1%
28°C
2%
29°C
6%
30°C
24%
31°C
38%
32°C
25%
33°C
6%
34°C
2%
35°C
1%
36°C or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 18 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Shanghai Pudong International Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Market Opened: Aug 16, 2026, 12:56 AM ET
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 18 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Shanghai Pudong International Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Resolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Current forecast models for Shanghai on August 18 project a daily high near 31–33°C under typical mid-August subtropical conditions, with elevated humidity and scattered thundershowers that could cap afternoon peaks. This range aligns closely with historical averages of 31–32°C and recent extended guidance showing overcast skies and possible rain, which favors the leading market-implied outcomes of 30–32°C. Model consensus remains stable absent major shifts in steering patterns or moisture influx, though minor revisions from updated runs could adjust the exact maximum before resolution. Traders appear to weigh these near-term atmospheric factors heavily against climatological baselines.
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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