Rhyd-y-groes Weather Forecast
- 16
- 16
Heavy rain
- 12
- 18
Cloudy
- 13
- 16
Partly cloudy
- 15
- 18
Overcast
- 13
- 18
Cloudy
- 10
- 15
Cloudy
- 13
- 17
Cloudy
Today 18 Sep Wales
Dry and bright at first for all, but turning increasingly cloudy through the morning. Outbreaks of rain then spread east during the afternoon, turning heavy for a time. Becoming rather windy with gales along northwestern coasts. Maximum temperature 17 °C.
Tonight 18 Sep Wales
A rather cloudy night follows with the rain easing and turning dry for a time. Remaining rather windy, keeping the temperatures from falling away. Minimum temperature 13 °C.
Rhyd-y-groes Temperature Statistics
September Temperature
Capel Curig Saws (15km)
Lowest 10 September, 2026
6.7 °CAverage September
14.4 °CHighest 6 September, 2026
21.8 °C
Climate (2021–2026)
Capel Curig Saws (15km)
Average Low 2021–2026
7 °CAverage 2021–2026
10 °CAverage High 2021–2026
12.9 °C