Official Met Office observations from key London stations, including Heathrow and central sites like St James's Park, confirmed the highest temperature of 17°C on April 14, driving trader consensus to 100% implied probability on this outcome. This aligns with prevailing cloudy, mild conditions featuring light winds and scattered showers, a shift from the exceptional early-April warmth peaking at 26.6°C in Kew Gardens on April 8 amid high-pressure influence. Pre-event forecasts from NOAA and UK models had converged on mid-teens Celsius maxima, reflecting typical mid-April climatology with average highs around 14–15°C. Post-observation data releases solidify this positioning, though rare measurement revisions from quality-controlled synoptic reports could theoretically challenge it if discrepancies emerge in final archives.
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 April 14?
Highest temperature in London on April 14?
17°C 100.0%
10°C or below <1%
11°C <1%
12°C <1%
$484,845 Vol.
$484,845 Vol.
10°C or below
No
11°C
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°C or higher
No
17°C 100.0%
10°C or below <1%
11°C <1%
12°C <1%
$484,845 Vol.
$484,845 Vol.
10°C or below
No
11°C
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°C or higher
No
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.
Market Opened: Apr 12, 2026, 12:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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.
Resolution Source
https://www.wunderground.com/history/daily/gb/london/EGLCResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official Met Office observations from key London stations, including Heathrow and central sites like St James's Park, confirmed the highest temperature of 17°C on April 14, driving trader consensus to 100% implied probability on this outcome. This aligns with prevailing cloudy, mild conditions featuring light winds and scattered showers, a shift from the exceptional early-April warmth peaking at 26.6°C in Kew Gardens on April 8 amid high-pressure influence. Pre-event forecasts from NOAA and UK models had converged on mid-teens Celsius maxima, reflecting typical mid-April climatology with average highs around 14–15°C. Post-observation data releases solidify this positioning, though rare measurement revisions from quality-controlled synoptic reports could theoretically challenge it if discrepancies emerge in final archives.
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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