Recent Met Office and ECMWF ensemble forecasts have converged on a daytime maximum near 18°C for London on May 17 under partly cloudy skies and moderate westerly flow, driving the market’s overwhelming 99.8% implied probability for that exact outcome. This alignment reflects typical mid-May climatology for southeast England, where surface heating remains modest amid variable cloud cover and Atlantic air masses. Minor model spreads in afternoon clearing or subtle warm advection could realistically allow a brief push to 19°C, yet current guidance keeps higher readings unlikely. Official hourly observations from the London City Airport station will confirm the peak once final data are verified, underscoring the narrow uncertainty window for this short-range temperature resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoLa temperatura più alta di Londra il 17 maggio?
18°C 99.8%
17°C <1%
19°C <1%
10°C or below <1%
$158,418 Vol.
$158,418 Vol.
10°C or below
<1%
11°C
<1%
12°C
<1%
13°C
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
100%
19°C
<1%
20°C or higher
<1%
18°C 99.8%
17°C <1%
19°C <1%
10°C or below <1%
$158,418 Vol.
$158,418 Vol.
10°C or below
<1%
11°C
<1%
12°C
<1%
13°C
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
100%
19°C
<1%
20°C or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the London City Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Mercato aperto: May 15, 2026, 12:03 AM ET
Fonte di risoluzione
https://www.wunderground.com/history/daily/gb/london/EGLCThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the London City Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Fonte di risoluzione
https://www.wunderground.com/history/daily/gb/london/EGLCRecent Met Office and ECMWF ensemble forecasts have converged on a daytime maximum near 18°C for London on May 17 under partly cloudy skies and moderate westerly flow, driving the market’s overwhelming 99.8% implied probability for that exact outcome. This alignment reflects typical mid-May climatology for southeast England, where surface heating remains modest amid variable cloud cover and Atlantic air masses. Minor model spreads in afternoon clearing or subtle warm advection could realistically allow a brief push to 19°C, yet current guidance keeps higher readings unlikely. Official hourly observations from the London City Airport station will confirm the peak once final data are verified, underscoring the narrow uncertainty window for this short-range temperature resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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