Portsmouth Harbour - Pewit Island Weather Forecast
- 11
- 17
Cloudy
- 11
- 19
Cloudy
- 6
- 16
Cloudy
- 8
- 15
Cloudy
- 9
- 15
Cloudy
- 8
- 15
Partly cloudy
Portsmouth Harbour - Pewit Island Temperature Statistics
May Temperature
Thorney Island (15km)
Lowest 7 May, 2026
4.9 °CAverage May
12.3 °CHighest 1 May, 2026
18.3 °C
Climate (2021–Present)
Thorney Island (15km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
12.1 °CAverage High 2021–2026
15.3 °C