Pen-y-Pass Weather Forecast
- 8
- 13
Partly cloudy
- 12
- 16
Mist
- 11
- 16
Overcast
- 4
- 13
Light rain shower
- 10
- 15
Cloudy
- 8
- 15
Cloudy
- 9
- 15
Light rain shower
Today 20 Sep Wales
A fine day today with lighter winds and plenty of sunny spells. The sunshine may turn hazy at times, but staying bright and feeling warm in the sunshine. Maximum temperature 19 °C.
Tonight 20 Sep Wales
Staying dry with clear spells at first tonight. Cloud will thicken in the early hours, particularly in the north and west. Minimum temperature 6 °C.
Pen-y-Pass Temperature Statistics
September Temperature
Capel Curig Saws (5km)
Lowest 10 September, 2026
6.7 °CAverage September
14.4 °CHighest 6 September, 2026
21.8 °C
Climate (2021–2026)
Capel Curig Saws (5km)
Average Low 2021–2026
7 °CAverage 2021–2026
10 °CAverage High 2021–2026
12.9 °C