Recent forecasts for Shanghai indicate nighttime lows around 26–27°C on August 21, aligning with the market's leading outcomes at 52.5% for 27°C and 32% for 26°C. Persistent subtropical summer conditions, including high humidity, urban heat retention, and typical post-monsoon warmth, support these levels, with model consensus from sources like AccuWeather and Met Office showing minimal deviation from climatological baselines of 25–27°C. Scattered showers in the extended outlook may provide slight cooling but are unlikely to drop temperatures below 25°C absent a stronger frontal system. No significant weather shifts have emerged in the past 48 hours to alter this range, keeping trader focus on standard late-August variability rather than anomalous cooling.
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 August 21?
Lowest temperature in Shanghai on August 21?
27°C 54%
26°C 36%
25°C 19%
28°C 7%
NEW
NEW
Aug 21, 2026
22°C or below
1%
23°C
5%
24°C
2%
25°C
11%
26°C
30%
27°C
54%
28°C
7%
29°C
5%
30°C
1%
31°C
<1%
32°C or higher
<1%
27°C 54%
26°C 36%
25°C 19%
28°C 7%
NEW
NEW
Aug 21, 2026
22°C or below
$15 Vol.
1%
23°C
$5 Vol.
5%
24°C
$273 Vol.
2%
25°C
$74 Vol.
11%
26°C
$30 Vol.
30%
27°C
$227 Vol.
54%
28°C
$20 Vol.
7%
29°C
$33 Vol.
5%
30°C
$15 Vol.
1%
31°C
$27 Vol.
<1%
32°C or higher
$33 Vol.
<1%
This market will resolve based on the lowest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 21 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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.Recent forecasts for Shanghai indicate nighttime lows around 26–27°C on August 21, aligning with the market's leading outcomes at 52.5% for 27°C and 32% for 26°C. Persistent subtropical summer conditions, including high humidity, urban heat retention, and typical post-monsoon warmth, support these levels, with model consensus from sources like AccuWeather and Met Office showing minimal deviation from climatological baselines of 25–27°C. Scattered showers in the extended outlook may provide slight cooling but are unlikely to drop temperatures below 25°C absent a stronger frontal system. No significant weather shifts have emerged in the past 48 hours to alter this range, keeping trader focus on standard late-August variability rather than anomalous cooling.
This market will resolve based on the lowest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 21 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 21 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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 19, 2026, 12:28 AM ET
Volume
$752End Date
Aug 21, 2026Market Opened
Aug 19, 2026, 12:28 AM ETResolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...This market will resolve based on the lowest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 21 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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.Recent forecasts for Shanghai indicate nighttime lows around 26–27°C on August 21, aligning with the market's leading outcomes at 52.5% for 27°C and 32% for 26°C. Persistent subtropical summer conditions, including high humidity, urban heat retention, and typical post-monsoon warmth, support these levels, with model consensus from sources like AccuWeather and Met Office showing minimal deviation from climatological baselines of 25–27°C. Scattered showers in the extended outlook may provide slight cooling but are unlikely to drop temperatures below 25°C absent a stronger frontal system. No significant weather shifts have emerged in the past 48 hours to alter this range, keeping trader focus on standard late-August variability rather than anomalous cooling.
This market will resolve based on the lowest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 21 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Shanghai Pudong International Airport Station in degrees Celsius on 21 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the lowest 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.
Volume
$752End Date
Aug 21, 2026Market Opened
Aug 19, 2026, 12:28 AM ETResolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Recent forecasts for Shanghai indicate nighttime lows around 26–27°C on August 21, aligning with the market's leading outcomes at 52.5% for 27°C and 32% for 26°C. Persistent subtropical summer conditions, including high humidity, urban heat retention, and typical post-monsoon warmth, support these levels, with model consensus from sources like AccuWeather and Met Office showing minimal deviation from climatological baselines of 25–27°C. Scattered showers in the extended outlook may provide slight cooling but are unlikely to drop temperatures below 25°C absent a stronger frontal system. No significant weather shifts have emerged in the past 48 hours to alter this range, keeping trader focus on standard late-August variability rather than anomalous cooling.
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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