Cwm Penmachno Weather Forecast
- 10
- 13
Heavy rain
- 10
- 15
Cloudy
- 5
- 15
Heavy rain
- 8
- 14
Partly cloudy
- 14
- 19
Cloudy
- 11
- 17
Light rain shower
- 8
- 14
Heavy rain shower
Today 25 Sep Wales
Some bright spells in the southeast this morning, otherwise a rather cloudy and at times, damp day with mostly light showery rain edging southeastwards across Wales. A little brighter in the northwest later, but feeling cooler than on Thursday. Maximum temperature 19 °C.
Tonight 25 Sep Wales
Rain across the south will move away during the evening, leaving a dry and clear night for many. A few mist patches. A chilly night to come away from coasts. Minimum temperature 5 °C.
Cwm Penmachno Temperature Statistics
September Temperature
Capel Curig Saws (10km)
Lowest 24 September, 2026
4.5 °CAverage September
14 °CHighest 6 September, 2026
21.8 °C
Climate (2021–2026)
Capel Curig Saws (10km)
Average Low 2021–2026
7 °CAverage 2021–2026
10 °CAverage High 2021–2026
12.9 °C