Portsmouth Harbour - Haslar Marina Weather Forecast
- 2
- 9
Sunny day
- 2
- 8
Sunny day
- 9
- 11
Cloudy
- 8
- 13
Heavy rain shower
- 7
- 10
Partly cloudy
- 7
- 11
Heavy rain
- 5
- 9
Sunny day
Today 12 Nov London and South East England
A chilly start, followed by a bright and largely sunny day. However the odd shower remains possible for the east Kent coast where it will be rather breezy. Feeling chilly. Maximum temperature 8 °C.
Tonight 12 Nov London and South East England
A cold but dry night with extensive clear spells allowing a frost to form, particularly in rural locations. Coastal spots could still see the odd shower through the night. Minimum temperature 0 °C.
Portsmouth Harbour - Haslar Marina Temperature Statistics
November Temperature
Thorney Island (14 km)
Lowest 9 November, 2026
3.6 °CAverage November
8.5 °CHighest 6 November, 2026
13.1 °C
Climate (2021–2026)
Thorney Island (14 km)
Average Low 2021–2026
9 °CAverage 2021–2026
12.4 °CAverage High 2021–2026
15.6 °C