Recent Met Office observations and model consensus have locked in a 24°C daily maximum for London on August 11, 2026, producing the market's 100% implied probability for that outcome. Light northerly winds, persistent afternoon cloud cover, and stable high pressure suppressed solar heating and limited daytime warming after the 26°C peak recorded the prior day. Official station data, typically benchmarked at London City Airport, align with these conditions, leaving minimal scope for upward revision. Only a significant measurement error or reanalysis adjustment could alter the recorded maximum, though such revisions are rare once preliminary figures are confirmed.
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 11?
Highest temperature in London on August 11?
24°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$171,072 Vol.
$171,072 Vol.
Aug 11, 2026
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C or higher
No
24°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$171,072 Vol.
$171,072 Vol.
Aug 11, 2026
20°C or below
$4,428 Vol.
No
21°C
$12,010 Vol.
No
22°C
$19,209 Vol.
No
23°C
$26,595 Vol.
No
24°C
$30,399 Vol.
Yes
25°C
$24,914 Vol.
No
26°C
$17,033 Vol.
No
27°C
$14,950 Vol.
No
28°C
$8,048 Vol.
No
29°C
$5,139 Vol.
No
30°C or higher
$8,348 Vol.
No
This market will resolve based on the highest 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 highest temperature recorded at the London City Airport Station in degrees Celsius on 11 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.Recent Met Office observations and model consensus have locked in a 24°C daily maximum for London on August 11, 2026, producing the market's 100% implied probability for that outcome. Light northerly winds, persistent afternoon cloud cover, and stable high pressure suppressed solar heating and limited daytime warming after the 26°C peak recorded the prior day. Official station data, typically benchmarked at London City Airport, align with these conditions, leaving minimal scope for upward revision. Only a significant measurement error or reanalysis adjustment could alter the recorded maximum, though such revisions are rare once preliminary figures are confirmed.
This market will resolve based on the highest 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 highest temperature recorded at the London City Airport Station in degrees Celsius on 11 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.
This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 11 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 9, 2026, 12:03 AM ET
Volume
$171,072End Date
Aug 11, 2026Market Opened
Aug 9, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve based on the highest 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 highest temperature recorded at the London City Airport Station in degrees Celsius on 11 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.Recent Met Office observations and model consensus have locked in a 24°C daily maximum for London on August 11, 2026, producing the market's 100% implied probability for that outcome. Light northerly winds, persistent afternoon cloud cover, and stable high pressure suppressed solar heating and limited daytime warming after the 26°C peak recorded the prior day. Official station data, typically benchmarked at London City Airport, align with these conditions, leaving minimal scope for upward revision. Only a significant measurement error or reanalysis adjustment could alter the recorded maximum, though such revisions are rare once preliminary figures are confirmed.
This market will resolve based on the highest 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 highest temperature recorded at the London City Airport Station in degrees Celsius on 11 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.
This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 11 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.
Volume
$171,072End Date
Aug 11, 2026Market Opened
Aug 9, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Recent Met Office observations and model consensus have locked in a 24°C daily maximum for London on August 11, 2026, producing the market's 100% implied probability for that outcome. Light northerly winds, persistent afternoon cloud cover, and stable high pressure suppressed solar heating and limited daytime warming after the 26°C peak recorded the prior day. Official station data, typically benchmarked at London City Airport, align with these conditions, leaving minimal scope for upward revision. Only a significant measurement error or reanalysis adjustment could alter the recorded maximum, though such revisions are rare once preliminary figures are confirmed.
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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