Official Met Office and ensemble forecasts for London on August 23 project a maximum of 24°C under stable high-pressure conditions with sunny intervals, light winds, and partly cloudy skies that limit extreme daytime heating. This consensus aligns with climatological averages for late August and recent model runs showing minimal variability, driving the market-implied 99.5% probability for 24°C. Trader sentiment reflects high confidence in verified observational data from official stations, with resolution tied to the day's peak reading. Only unexpected shifts in cloud cover or localized advection could realistically push the outcome to adjacent thresholds like 23°C or 25°C.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in London on August 23?
24°C 99.5%
25°C <1%
20°C or below <1%
21°C <1%
$60,123 Vol.
$60,123 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
100%
25°C
1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C or higher
<1%
24°C 99.5%
25°C <1%
20°C or below <1%
21°C <1%
$60,123 Vol.
$60,123 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
100%
25°C
1%
26°C
<1%
27°C
<1%
28°C
<1%
29°C
<1%
30°C or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 23 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 London City Airport Station, available here: https://www.wunderground.com/history/daily/gb/london/EGLC.
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 21, 2026, 12:55 AM ET
Resolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 23 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 London City Airport Station, available here: https://www.wunderground.com/history/daily/gb/london/EGLC.
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/gb/london/EGLCResolver
0x69c47De9D...Official Met Office and ensemble forecasts for London on August 23 project a maximum of 24°C under stable high-pressure conditions with sunny intervals, light winds, and partly cloudy skies that limit extreme daytime heating. This consensus aligns with climatological averages for late August and recent model runs showing minimal variability, driving the market-implied 99.5% probability for 24°C. Trader sentiment reflects high confidence in verified observational data from official stations, with resolution tied to the day's peak reading. Only unexpected shifts in cloud cover or localized advection could realistically push the outcome to adjacent thresholds like 23°C or 25°C.
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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