Garneddwen Weather Forecast
- 14
- 19
Cloudy
- 12
- 17
Cloudy
- 13
- 15
Light rain shower
- 12
- 15
Light rain shower
- 14
- 15
Light rain
- 13
- 16
Light rain shower
- 14
- 16
Light rain shower
Today 14 Sep Wales
Largely cloudy skies on Monday with a few outbreaks of rain or drizzle possible at times. Becoming drier and brighter during the afternoon, feeling warm and humid in the sunshine. Maximum temperature 21 °C.
Tonight 14 Sep Wales
Dry with clear spells this evening. Becoming cloudy with outbreaks of rain soon arriving, some heavier bursts are likely. Turning drier in the north towards dawn. Minimum temperature 10 °C.
Garneddwen Temperature Statistics
September Temperature
Lake Vyrnwy Saws (26km)
Lowest 12 September, 2026
8.3 °CAverage September
13.8 °CHighest 6 September, 2026
21.7 °C
Climate (2021–2026)
Lake Vyrnwy Saws (26km)
Average Low 2021–2026
6.4 °CAverage 2021–2026
9.1 °CAverage High 2021–2026
12 °C