Pwllheli Harbour Weather Forecast
- 15
- 18
Overcast
- 15
- 18
Cloudy
- 8
- 16
Light rain shower
- 15
- 17
Cloudy
- 11
- 17
Light rain
- 13
- 17
Sunny day
- 12
- 17
Cloudy
Today 21 Sep Wales
Eastern areas of Wales will be sunniest on Monday with western areas often much cloudier. Here the cloud could give the odd drizzly outbreak, mainly in the northwest. Light winds however and feeling warm in the east. Maximum temperature 21 °C.
Tonight 21 Sep Wales
Remaining cloud in the northwest but clearer in the south. Mist developing under clear skies in the south. A chilly night with grass frost possible. Minimum temperature 7 °C.
Pwllheli Harbour Temperature Statistics
September Temperature
Aberdaron (24km)
Lowest 9 September, 2026
12.4 °CAverage September
15.5 °CHighest 6 September, 2026
20 °C
Climate (2021–2026)
Aberdaron (24km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
11.2 °CAverage High 2021–2026
13.1 °C