Highest temperature in London on June 15?
22°C
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Understand this market
This market is asking: on June 15, 2026, what will the hottest part of the day feel like in London? Specifically, it's asking you to pick the peak temperature — the single highest number the thermometer hits that day — at London City Airport. A mild summer day in London typically sits around 18–22°C (roughly 64–72°F), so the three leading options (21°C, 22°C, 23°C) all represent a warm but not exceptional mid-June day.
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22°C
Resolution Criteria
This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 15 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the London City Airport Station, 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 until the first data point for the following date has been published on the resolution source. 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.
Read the full market guide →22°C
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