Recent Met Office and ECMWF ensemble forecasts converged on a daytime maximum of 18°C in London on May 17 under partly cloudy skies and moderate westerly flow, anchoring the market's overwhelming consensus at 99.7% for that outcome. This positioning reflects the high reliability of short-range numerical weather prediction models when synoptic patterns remain stable, with limited potential for rapid warming from Atlantic air masses or radiative heating. Official resolution will hinge on verified measurements from stations such as Heathrow or Kew Gardens, where deviations from the forecast maximum typically stay within 1–2°C under these conditions. A sudden clearing of cloud cover or stronger southerly advection could push readings to 19°C or above, though current guidance shows low probability for such shifts before the daily peak.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日5月17日のロンドンの最高気温は?
18°C 99.7%
19°C <1%
20°C or higher <1%
$173,388 Vol.
$173,388 Vol.
18°C
100%
19°C
1%
20°C or higher
<1%
18°C 99.7%
19°C <1%
20°C or higher <1%
$173,388 Vol.
$173,388 Vol.
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.
マーケット開始日: May 15, 2026, 12:03 AM ET
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.
Recent Met Office and ECMWF ensemble forecasts converged on a daytime maximum of 18°C in London on May 17 under partly cloudy skies and moderate westerly flow, anchoring the market's overwhelming consensus at 99.7% for that outcome. This positioning reflects the high reliability of short-range numerical weather prediction models when synoptic patterns remain stable, with limited potential for rapid warming from Atlantic air masses or radiative heating. Official resolution will hinge on verified measurements from stations such as Heathrow or Kew Gardens, where deviations from the forecast maximum typically stay within 1–2°C under these conditions. A sudden clearing of cloud cover or stronger southerly advection could push readings to 19°C or above, though current guidance shows low probability for such shifts before the daily peak.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日
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