Porthleven Weather Forecast
- 17
- 20
Light rain
- 17
- 20
Thunder
- 16
- 19
Thunder shower
- 16
- 19
Cloudy
- 16
- 19
Light rain shower
- 17
- 19
Light rain shower
- 17
- 20
Partly cloudy
Today 28 Aug South West England
Heavy showers continue to move eastward through the morning with isolated showers following in behind. Another rather warm day ahead, with temperatures above average for the time of year. Maximum temperature 25 °C.
Tonight 28 Aug South West England
Bright end to the afternoon with sunny spells giving way to clear spells overnight. Turning increasing cloudy from the west from midnight with outbreaks of heavy and thundery rain arriving. Minimum temperature 14 °C.
Porthleven Temperature Statistics
August Temperature
Culdrose (4km)
Lowest 22 August, 2026
9.3 °CAverage August
17.9 °CHighest 12 August, 2026
26.5 °C
Climate (2021–2026)
Culdrose (4km)
Average Low 2021–2026
9.5 °CAverage 2021–2026
12.1 °CAverage High 2021–2026
14.5 °C