Pentraeth Weather Forecast
- 12
- 18
Sunny day
- 9
- 18
Light rain
- 10
- 16
Sunny day
- 16
- 21
Cloudy
- 13
- 18
Light rain shower
- 12
- 16
Light rain shower
- 13
- 16
Partly cloudy
Today 26 Sep Wales
Any mist soon clearing leaving a dry day for most with pleasantly warm sunny spells. A few showers are possible, mainly in the northwest where it will be rather breezy. Maximum temperature 20 °C.
Pentraeth Temperature Statistics
September Temperature
Valley (21km)
Lowest 24 September, 2026
8.8 °CAverage September
16 °CHighest 6 September, 2026
21.7 °C
Climate (2021–2026)
Valley (21km)
Average Low 2021–2026
9.1 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
14 °C