Caersws Weather Forecast
- 13
- 15
Light rain
- 10
- 16
Light rain shower
- 15
- 15
Light rain
- 12
- 18
Cloudy
- 12
- 17
Partly cloudy
- 14
- 20
Cloudy
- 10
- 19
Cloudy
Today 16 Sep Wales
A mixture of sunshine and showers on Wednesday, these most frequent in the morning before easing from the west. Rain then arriving overnight. Cooler than Tuesday. Maximum temperature 18 °C.
Caersws Temperature Statistics
September Temperature
Lake Vyrnwy Saws (27km)
Lowest 12 September, 2026
8.3 °CAverage September
14.1 °CHighest 6 September, 2026
21.7 °C
Climate (2021–2026)
Lake Vyrnwy Saws (27km)
Average Low 2021–2026
6.4 °CAverage 2021–2026
9.1 °CAverage High 2021–2026
12 °C