Windsor Weather Forecast
- 14
- 24
Cloudy
- 12
- 21
Partly cloudy
- 12
- 20
Partly cloudy
- 15
- 20
Overcast
- 13
- 21
Partly cloudy
- 15
- 21
Cloudy
- 14
- 22
Partly cloudy
Today 7 Sep London and South East England
Any early sunshine will gradually give way to increasing cloud from the west, bringing a slight chance of an afternoon shower. Still warm in Kent. Staying dry through the evening. Maximum temperature 25 °C.
Windsor Temperature Statistics
September Temperature
Heathrow (11km)
Lowest 5 September, 2026
11.8 °CAverage September
18.7 °CHighest 3 September, 2026
27.5 °C
Climate (2021–2026)
Heathrow (11km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
12.7 °CAverage High 2021–2026
16.6 °C