Portsmouth Weather Forecast
- 8
- 9
Heavy rain
- 10
- 11
Partly cloudy
- 9
- 13
Light rain shower
- 10
- 13
Light rain
- 10
- 12
Sunny day
- 7
- 11
Light rain shower
- 4
- 8
Cloudy
Today 7 Dec London and South East England
Cloudy and breezy throughout with patchy rain during the morning. Perhaps becoming largely dry towards midday before persistent rain, which is likely to be heavy at times, then spreads east again from mid-afternoon. Feeling less cold than recently. Maximum Temperature 8C.
Tonight 7 Dec London and South East England
Persistent, occasionally heavy rain coupled with strong winds all easing significantly during the evening, leaving a legacy of low cloud and some fog for a time. Becoming breezier again later in the night, helping to avoid a frost for most. Minimum Temperature 1C.
Portsmouth Temperature Statistics
December Temperature
Thorney Island (11km)
Lowest 2 December, 2023
-2.2 °CAverage December
4.1 °CHighest 3 December, 2023
9.6 °C
Climate (2018–Present)
Thorney Island (11km)
Average Low 2018–2023
8.3 °CAverage 2018–2023
11.7 °CAverage High 2018–2023
14.9 °C