Heathrow Airport Weather Forecast
- 12
- 23
Light rain shower
- 13
- 22
Thunder shower
- 13
- 22
Light rain shower
- 14
- 22
Cloudy
- 13
- 21
Light rain shower
- 12
- 20
Heavy rain shower
- 13
- 21
Light rain shower
Today 27 Aug London and South East England
A fine, dry start with good spells of sunshine through the morning. Cloud building late in the morning before a band of rain spreads in early in the afternoon, heavy at times, with blustery winds and a risk of thunder. Maximum Temperature 23C.
Tonight 27 Aug London and South East England
A fragmenting band of rain, locally heavy, will gradually clear eastwards this evening. Becoming dry with lengthy clear spells overnight. A cooler night for many. Winds easing. Minimum Temperature 8C.
Heathrow Airport Temperature Statistics
August Temperature
Heathrow (0km)
Lowest 6 August, 2025
11.8 °CAverage August
19.6 °CHighest 12 August, 2025
32.8 °C
Climate (2020–Present)
Heathrow (0km)
Average Low 2020–2025
8.5 °CAverage 2020–2025
12.2 °CAverage High 2020–2025
16.1 °C