Recent official forecasts for Shanghai indicate overnight lows near 26–27°C on August 18 amid typical late-summer subtropical conditions, with high humidity near 80% and scattered thundershowers limiting radiative cooling. Model consensus from sources such as timeanddate and meteorological agencies highlights how variable cloud cover and light easterly winds could differentiate between these thresholds: clearer skies promote greater nocturnal heat loss and favor the lower end near 26°C, while increased moisture and precipitation retain warmth, supporting 27°C. Trader sentiment clusters tightly here because ensemble runs show modest spread in these parameters over the next 48 hours, with historical August minimums averaging around 25–26°C providing climatological context but limited resolution power for this specific date.
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 18?
Lowest temperature in Shanghai on August 18?
27°C 42%
26°C 38%
25°C 11%
28°C 10%
NEW
NEW
Aug 18, 2026
20°C or below
1%
21°C
1%
22°C
4%
23°C
2%
24°C
7%
25°C
11%
26°C
38%
27°C
42%
28°C
10%
29°C
6%
30°C or higher
4%
27°C 42%
26°C 38%
25°C 11%
28°C 10%
NEW
NEW
Aug 18, 2026
20°C or below
$0 Vol.
1%
21°C
$0 Vol.
1%
22°C
$5 Vol.
4%
23°C
$0 Vol.
2%
24°C
$0 Vol.
7%
25°C
$0 Vol.
11%
26°C
$30 Vol.
38%
27°C
$66 Vol.
42%
28°C
$0 Vol.
10%
29°C
$0 Vol.
6%
30°C or higher
$5 Vol.
4%
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 18 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 official forecasts for Shanghai indicate overnight lows near 26–27°C on August 18 amid typical late-summer subtropical conditions, with high humidity near 80% and scattered thundershowers limiting radiative cooling. Model consensus from sources such as timeanddate and meteorological agencies highlights how variable cloud cover and light easterly winds could differentiate between these thresholds: clearer skies promote greater nocturnal heat loss and favor the lower end near 26°C, while increased moisture and precipitation retain warmth, supporting 27°C. Trader sentiment clusters tightly here because ensemble runs show modest spread in these parameters over the next 48 hours, with historical August minimums averaging around 25–26°C providing climatological context but limited resolution power for this specific date.
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 18 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 18 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 16, 2026, 12:28 AM ET
Volume
$106End Date
Aug 18, 2026Market Opened
Aug 16, 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 18 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 official forecasts for Shanghai indicate overnight lows near 26–27°C on August 18 amid typical late-summer subtropical conditions, with high humidity near 80% and scattered thundershowers limiting radiative cooling. Model consensus from sources such as timeanddate and meteorological agencies highlights how variable cloud cover and light easterly winds could differentiate between these thresholds: clearer skies promote greater nocturnal heat loss and favor the lower end near 26°C, while increased moisture and precipitation retain warmth, supporting 27°C. Trader sentiment clusters tightly here because ensemble runs show modest spread in these parameters over the next 48 hours, with historical August minimums averaging around 25–26°C providing climatological context but limited resolution power for this specific date.
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 18 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 18 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
$106End Date
Aug 18, 2026Market Opened
Aug 16, 2026, 12:28 AM ETResolution Source
https://www.wunderground.com/history/daily/cn/shanghai/ZSPDResolver
0x69c47De9D...Recent official forecasts for Shanghai indicate overnight lows near 26–27°C on August 18 amid typical late-summer subtropical conditions, with high humidity near 80% and scattered thundershowers limiting radiative cooling. Model consensus from sources such as timeanddate and meteorological agencies highlights how variable cloud cover and light easterly winds could differentiate between these thresholds: clearer skies promote greater nocturnal heat loss and favor the lower end near 26°C, while increased moisture and precipitation retain warmth, supporting 27°C. Trader sentiment clusters tightly here because ensemble runs show modest spread in these parameters over the next 48 hours, with historical August minimums averaging around 25–26°C providing climatological context but limited resolution power for this specific date.
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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