Recent Met Office guidance points to a peak of 26°C in London on August 26 amid a brief warm spell, with light showers possible that could limit afternoon heating. Ensemble model runs show tight clustering around 25–26°C maxima, differentiated by subtle differences in cloud timing, boundary-layer mixing, and any localized sea-breeze effects that may cap or allow brief spikes near official stations such as London City Airport. Above-average summer temperatures across southern England provide climatological support for values near or slightly above the long-term August mean, yet the narrow probability split between 25°C and 26°C in the market reflects genuine short-range forecast uncertainty typical 24–48 hours ahead.
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 26?
25°C 34%
26°C 34%
27°C 18%
24°C 9%
22°C or below
1%
23°C
4%
24°C
9%
25°C
34%
26°C
34%
27°C
18%
28°C
5%
29°C
2%
30°C
<1%
31°C
<1%
32°C or higher
<1%
25°C 34%
26°C 34%
27°C 18%
24°C 9%
22°C or below
1%
23°C
4%
24°C
9%
25°C
34%
26°C
34%
27°C
18%
28°C
5%
29°C
2%
30°C
<1%
31°C
<1%
32°C or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=eglc
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 24, 2026, 12:55 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=eglcResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=eglc
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.weather.gov/wrh/timeseries?site=eglcResolver
0x69c47De9D...Recent Met Office guidance points to a peak of 26°C in London on August 26 amid a brief warm spell, with light showers possible that could limit afternoon heating. Ensemble model runs show tight clustering around 25–26°C maxima, differentiated by subtle differences in cloud timing, boundary-layer mixing, and any localized sea-breeze effects that may cap or allow brief spikes near official stations such as London City Airport. Above-average summer temperatures across southern England provide climatological support for values near or slightly above the long-term August mean, yet the narrow probability split between 25°C and 26°C in the market reflects genuine short-range forecast uncertainty typical 24–48 hours ahead.
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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