Hounslow Weather Forecast
- 5
- 15
Cloudy
- 4
- 13
Sunny day
- 6
- 13
Cloudy
- 8
- 13
Cloudy
- 7
- 14
Cloudy
- 4
- 11
Light rain shower
- 4
- 10
Partly cloudy
Today 20 Mar London and South East England
Early mist or fog patches dispersing. Partly cloudy in places, though cloud should readily clear to give long sunny spells for most into the afternoon. Warm with light winds. Maximum temperature 17 °C.
Hounslow Temperature Statistics
March Temperature
Heathrow (6km)
Lowest 14 March, 2026
0.8 °CAverage March
9.1 °CHighest 18 March, 2026
18.9 °C
Climate (2021–2026)
Heathrow (6km)
Average Low 2021–2026
8.7 °CAverage 2021–2026
12.4 °CAverage High 2021–2026
16.2 °C