Ganllwyd Weather Forecast
- 8
- 16
Sunny day
- 15
- 20
Cloudy
- 11
- 18
Light rain shower
- 12
- 15
Light rain shower
- 12
- 16
Light rain shower
- 11
- 16
Cloudy
- 10
- 15
Cloudy
Today 28 Sep Wales
A dry day on Monday with light winds and prolonged spells of sunshine. Chilly at first, but warm in the afternoon. Sunshine turning hazy at times. Maximum temperature 19 °C.
Ganllwyd Temperature Statistics
September Temperature
Lake Vyrnwy Saws (29km)
Lowest 24 September, 2026
7.1 °CAverage September
13.3 °CHighest 6 September, 2026
21.7 °C
Climate (2021–2026)
Lake Vyrnwy Saws (29km)
Average Low 2021–2026
6.4 °CAverage 2021–2026
9.1 °CAverage High 2021–2026
12 °C