Recent forecasts from the Met Office and BBC indicate clear skies, light easterly winds, and a warm daytime peak near 35°C for London on August 13, supporting overnight lows of 19–20°C. These conditions favor radiative cooling that is moderated by urban heat retention and residual warmth from the preceding days, keeping the minimum tightly clustered around those values. Ensemble model runs show minor spread in boundary-layer moisture and timing of peak cooling, creating the near-even market split between 19°C and 20°C while down-weighting cooler or warmer outliers. Updated guidance expected within 24 hours could refine the exact threshold.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in London on August 13?
Lowest temperature in London on August 13?
19°C 37%
20°C 26%
18°C 18%
21°C 12%
NEW
NEW
Aug 13, 2026
14°C or below
1%
15°C
4%
16°C
5%
17°C
8%
18°C
18%
19°C
37%
20°C
26%
21°C
12%
22°C
2%
23°C
2%
24°C or higher
<1%
19°C 37%
20°C 26%
18°C 18%
21°C 12%
NEW
NEW
Aug 13, 2026
14°C or below
$12 Vol.
1%
15°C
$12 Vol.
4%
16°C
$34 Vol.
5%
17°C
$94 Vol.
8%
18°C
$214 Vol.
18%
19°C
$79 Vol.
37%
20°C
$1,263 Vol.
26%
21°C
$178 Vol.
12%
22°C
$60 Vol.
2%
23°C
$59 Vol.
2%
24°C or higher
$12 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 London City Airport Station in degrees Celsius on 13 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 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 forecasts from the Met Office and BBC indicate clear skies, light easterly winds, and a warm daytime peak near 35°C for London on August 13, supporting overnight lows of 19–20°C. These conditions favor radiative cooling that is moderated by urban heat retention and residual warmth from the preceding days, keeping the minimum tightly clustered around those values. Ensemble model runs show minor spread in boundary-layer moisture and timing of peak cooling, creating the near-even market split between 19°C and 20°C while down-weighting cooler or warmer outliers. Updated guidance expected within 24 hours could refine the exact threshold.
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 London City Airport Station in degrees Celsius on 13 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 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 lowest temperature recorded at the London City Airport Station in degrees Celsius on 13 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 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 11, 2026, 12:30 AM ET
Volume
$2,017End Date
Aug 13, 2026Market Opened
Aug 11, 2026, 12:30 AM ETResolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
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 London City Airport Station in degrees Celsius on 13 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 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 forecasts from the Met Office and BBC indicate clear skies, light easterly winds, and a warm daytime peak near 35°C for London on August 13, supporting overnight lows of 19–20°C. These conditions favor radiative cooling that is moderated by urban heat retention and residual warmth from the preceding days, keeping the minimum tightly clustered around those values. Ensemble model runs show minor spread in boundary-layer moisture and timing of peak cooling, creating the near-even market split between 19°C and 20°C while down-weighting cooler or warmer outliers. Updated guidance expected within 24 hours could refine the exact threshold.
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 London City Airport Station in degrees Celsius on 13 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 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 lowest temperature recorded at the London City Airport Station in degrees Celsius on 13 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 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
$2,017End Date
Aug 13, 2026Market Opened
Aug 11, 2026, 12:30 AM ETResolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
0x69c47De9D...Recent forecasts from the Met Office and BBC indicate clear skies, light easterly winds, and a warm daytime peak near 35°C for London on August 13, supporting overnight lows of 19–20°C. These conditions favor radiative cooling that is moderated by urban heat retention and residual warmth from the preceding days, keeping the minimum tightly clustered around those values. Ensemble model runs show minor spread in boundary-layer moisture and timing of peak cooling, creating the near-even market split between 19°C and 20°C while down-weighting cooler or warmer outliers. Updated guidance expected within 24 hours could refine the exact threshold.
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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