Recent Met Office forecasts and supporting model runs from GFS and ECMWF point to a high-pressure ridge over southern England delivering mostly sunny intervals and light southwesterly flow on September 22, supporting daytime maxima near 23–24 °C. These conditions favor modest warming above seasonal normals through reduced cloud cover and minimal mixing, yet variable afternoon cloud and slight model spread in boundary-layer moisture keep 25 °C within reach while capping upside risk. With resolution just two days away, traders are weighting the latest official guidance and ensemble consensus heavily, as small shifts in cloud timing or wind vector could differentiate between the tightly matched 24 °C and 25 °C outcomes.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertHöchste Temperatur in London am 22. September?
24°C 39%
25°C 34%
23°C 18%
26°C oder höher 12%
16°C oder darunter
1%
17°C
1%
18°C
1%
19°C
1%
20°C
2%
21°C
2%
22°C
4%
23°C
18%
24°C
39%
25°C
34%
26°C oder höher
12%
24°C 39%
25°C 34%
23°C 18%
26°C oder höher 12%
16°C oder darunter
1%
17°C
1%
18°C
1%
19°C
1%
20°C
2%
21°C
2%
22°C
4%
23°C
18%
24°C
39%
25°C
34%
26°C oder höher
12%
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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Markt eröffnet: Sep 20, 2026, 12:55 AM ET
Abwicklungsquelle
https://www.weather.gov/wrh/timeseries?site=eglcAbwickler
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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Abwicklungsquelle
https://www.weather.gov/wrh/timeseries?site=eglcAbwickler
0x69c47De9D...Recent Met Office forecasts and supporting model runs from GFS and ECMWF point to a high-pressure ridge over southern England delivering mostly sunny intervals and light southwesterly flow on September 22, supporting daytime maxima near 23–24 °C. These conditions favor modest warming above seasonal normals through reduced cloud cover and minimal mixing, yet variable afternoon cloud and slight model spread in boundary-layer moisture keep 25 °C within reach while capping upside risk. With resolution just two days away, traders are weighting the latest official guidance and ensemble consensus heavily, as small shifts in cloud timing or wind vector could differentiate between the tightly matched 24 °C and 25 °C outcomes.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert
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