Cwm Weather Forecast
- 7
- 19
Partly cloudy
- 11
- 20
Cloudy
- 12
- 20
Cloudy
- 13
- 18
Light rain
- 14
- 18
Cloudy
- 13
- 20
Light rain
- 13
- 21
Cloudy
Today 13 Jun Wales
Mainly sunny in the south and becoming warm by the afternoon. A little more cloud further north and breezier and cooler here with an isolated light shower possible, especially over the higher ground. Maximum temperature 21 °C.
Tonight 13 Jun Wales
A dry night will then follow with winds falling light for all. A mix of some cloud and clear spells. Turning rather chilly under prolonged clear skies. Minimum temperature 4 °C.
Cwm Temperature Statistics
June Temperature
St-athan (41km)
Lowest 10 June, 2026
9.7 °CAverage June
13.8 °CHighest 3 June, 2026
18 °C
Climate (2021–Present)
St-athan (41km)
Average Low 2021–2026
9 °CAverage 2021–2026
11.8 °CAverage High 2021–2026
14.7 °C