
Prediction market · Polymarket
This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26. 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.
Ticker
highest-temperature-in-london-on-april-9-2026
Volume
513.0K
Open interest
87.7K
Liquidity
—
Start
Apr 5, 2026
End
Apr 9, 2026
Status
Closed
Access
Restricted
Created
Apr 5, 2026
Resolution source
https://www.wunderground.com/history/daily/gb/london/EGLC
Event ID
345378
Slug
highest-temperature-in-london-on-april-9-2026
Markets
11
Tags
{
"id": "345378",
"ticker": "highest-temperature-in-london-on-april-9-2026",
"slug": "highest-temperature-in-london-on-april-9-2026",
"title": "Highest temperature in London on April 9?",
"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
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"startDate": "2026-04-05T04:27:03.811518Z",
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"openInterest": 87689.181477,
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"commentCount": 0,
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{
"id": "1871579",
"question": "Will the highest temperature in London be 15°C or below on April 9?",
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"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
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"resolvedBy": "0x69c47De9D4D3Dad79590d61b9e05918E03775f24",
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"groupItemTitle": "15°C or below",
"groupItemThreshold": "0",
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{
"id": "1871580",
"question": "Will the highest temperature in London be 16°C on April 9?",
"conditionId": "0x3818531905d007cfbb6701440ea14f7ed4f350fdda72726a9b7c218017ea5e1c",
"slug": "highest-temperature-in-london-on-april-9-2026-16c",
"resolutionSource": "https://www.wunderground.com/history/daily/gb/london/EGLC",
"endDate": "2026-04-09T12:00:00Z",
"startDate": "2026-04-05T04:23:08.671524Z",
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"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "12433.895379",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2026-04-05T04:06:19.484293Z",
"updatedAt": "2026-04-10T01:35:12.15403Z",
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"featured": false,
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"resolvedBy": "0x69c47De9D4D3Dad79590d61b9e05918E03775f24",
"restricted": true,
"groupItemTitle": "16°C",
"groupItemThreshold": "1",
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"endDateIso": "2026-04-09",
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"umaReward": "5",
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"spread": 0.001,
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{
"id": "1871582",
"question": "Will the highest temperature in London be 17°C on April 9?",
"conditionId": "0x34ab1ad3554ad56d777890c4c4e02e2f7478ba7a06ac25dac89fdf11eb35357d",
"slug": "highest-temperature-in-london-on-april-9-2026-17c",
"resolutionSource": "https://www.wunderground.com/history/daily/gb/london/EGLC",
"endDate": "2026-04-09T12:00:00Z",
"startDate": "2026-04-05T04:23:14.577578Z",
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"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "44855.863367000005",
"active": true,
"closed": true,
"marketMakerAddress": "",
"createdAt": "2026-04-05T04:06:19.586186Z",
"updatedAt": "2026-04-10T11:08:36.427147Z",
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"resolvedBy": "0x69c47De9D4D3Dad79590d61b9e05918E03775f24",
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"groupItemThreshold": "2",
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"volumeNum": 44855.863367000005,
"endDateIso": "2026-04-09",
"startDateIso": "2026-04-05",
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"gameStartTime": "2026-04-08 23:00:00+00",
"secondsDelay": 3,
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"umaReward": "5",
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"makerBaseFee": 1000,
"takerBaseFee": 1000,
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"spread": 0.001,
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{
"id": "1871583",
"question": "Will the highest temperature in London be 18°C on April 9?",
"conditionId": "0x771ed3ecaa03e861b66897c06a6b33080ff31df969c2b721cc8fe4bf0163c78c",
"slug": "highest-temperature-in-london-on-april-9-2026-18c",
"resolutionSource": "https://www.wunderground.com/history/daily/gb/london/EGLC",
"endDate": "2026-04-09T12:00:00Z",
"startDate": "2026-04-05T04:23:20.836615Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
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"endDateIso": "2026-04-09",
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{
"id": "1871584",
"question": "Will the highest temperature in London be 19°C on April 9?",
"conditionId": "0xa7d0f39fa8e66d28e9dc3352dce409efe3b212c499b04a3b1c9f2209bb8f397d",
"slug": "highest-temperature-in-london-on-april-9-2026-19c",
"resolutionSource": "https://www.wunderground.com/history/daily/gb/london/EGLC",
"endDate": "2026-04-09T12:00:00Z",
"startDate": "2026-04-05T04:23:26.700109Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
"outcomes": "[\"Yes\", \"No\"]",
"outcomePrices": "[\"0\", \"1\"]",
"volume": "44730.02757799999",
"active": true,
"closed": true,
"marketMakerAddress": "",
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"question": "Will the highest temperature in London be 21°C on April 9?",
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{
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"question": "Will the highest temperature in London be 22°C on April 9?",
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"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
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{
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"question": "Will the highest temperature in London be 23°C on April 9?",
"conditionId": "0x52cb09a65c55d218e0ba22cc7e4dbeaa922e614b51c6dfc241c56da5ed13cdda",
"slug": "highest-temperature-in-london-on-april-9-2026-23c",
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"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
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{
"id": "1871590",
"question": "Will the highest temperature in London be 24°C on April 9?",
"conditionId": "0x351266b9506c2e28a70ff5f5e0ead310d93f3bc62892382eccbf12ffde041d90",
"slug": "highest-temperature-in-london-on-april-9-2026-24c",
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"endDate": "2026-04-09T12:00:00Z",
"startDate": "2026-04-05T04:24:12.658334Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/highest-temperature-in-london-on-jan-22-eouu0bkjph8i.jpg",
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"description": "This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 9 Apr '26.\n\nThe 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.\n\nTo toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.\n\nThis market can not resolve to \"Yes\" until all data for this date has been finalized.\n\nThe 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.\n\nAny revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.",
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"context_description": "Met Office observations from key London stations, including Heathrow and central urban sites, confirm the highest temperature on April 9, 2026, peaked at 22°C during mid-afternoon amid a mild high-pressure ridge following an unusually warm spell earlier in the week. This provisional data, based on standardized SYNOP measurements, aligns with trader consensus implying 100% probability for 22°C, reflecting the aggregated skin-in-the-game assessment of real-time recordings across the city's official network. While final quality-controlled data from the Met Office is pending release within days, revisions are rare for clear-sky conditions like these; a challenge would require instrument malfunction or overlooked microclimate outlier, both improbable given multi-station corroboration and historical verification precedents.",
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