- Will the lowest temperature in London be 8°C or below on August 21?<1¢
- Will the lowest temperature in London be 9°C on August 21?<1¢
- Will the lowest temperature in London be 10°C on August 21?<1¢
- Will the lowest temperature in London be 11°C on August 21?<1¢
- Will the lowest temperature in London be 12°C on August 21?1¢
- Will the lowest temperature in London be 13°C on August 21?30¢
- Will the lowest temperature in London be 14°C on August 21?68¢
- Will the lowest temperature in London be 15°C on August 21?6¢
- Will the lowest temperature in London be 16°C on August 21?<1¢
- Will the lowest temperature in London be 17°C on August 21?<1¢
- Will the lowest temperature in London be 18°C or higher on August 21?<1¢
This market will resolve based on the lowest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section. This market will resolve to the temperature range that contains the lowest temperature recorded at the London City Airport Station in degrees Celsius on 21 Aug '26. The resolution source for this market will be information from Wunderground, specifically the lowest 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.
Recent Met Office forecasts and ensemble model runs indicate an overnight minimum of 12–14 °C in London on 21 August under partly cloudy skies, light northerly flow, and limited showers, driving the strong market clustering around 13–14 °C. Radiative cooling during clear intervals, combined with typical late-summer climatology (historical average lows near 14 °C), supports these outcomes, while variable cloud cover introduces modest uncertainty that could allow brief dips toward 12 °C or keep readings closer to 14 °C. Updated guidance released in the past 24 hours has tightened this range, reinforcing trader consensus on the narrow band of likely resolution values.