Portsmouth Harbour - M275 Motorway Bridge Weather Forecast
- 14
- 23
Partly cloudy
- 14
- 23
Sunny day
- 16
- 22
Sunny day
- 16
- 24
Sunny day
- 17
- 25
Sunny day
- 17
- 25
Sunny day
Today 7 Jul London and South East England
Early cloud and rain clearing southward, then partly cloudy with sunny intervals and isolated light showers. Breezy. Maximum Temperature 23C.
Portsmouth Harbour - M275 Motorway Bridge Temperature Statistics
July Temperature
Thorney Island (11km)
Lowest 3 July, 2025
10.3 °CAverage July
19.1 °CHighest 1 July, 2025
27.4 °C
Climate (2020–Present)
Thorney Island (11km)
Average Low 2020–2025
8.6 °CAverage 2020–2025
11.9 °CAverage High 2020–2025
15.1 °C