Cwm Weather Forecast
- 6
- 11
Cloudy
- 6
- 14
Cloudy
- 5
- 11
Overcast
- 3
- 10
Cloudy
- 6
- 10
Light rain
- 4
- 11
Cloudy
- 3
- 8
Cloudy
Today 30 Mar Wales
A bright and breezy day for many. Plenty of sunny spells throughout, but perhaps the odd passing shower towards Anglesey. Feeling a little chilly despite the spells sunshine. Maximum temperature 13 °C.
Tonight 30 Mar Wales
A dry and chilly evening to come. However, overnight cloud will thicken from the west with some patchy rain and drizzle developing during the early hours. Minimum temperature 4 °C.
Cwm Temperature Statistics
March Temperature
St-athan (41km)
Lowest 14 March, 2026
2.6 °CAverage March
8.7 °CHighest 18 March, 2026
17.9 °C
Climate (2021–Present)
St-athan (41km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
11.7 °CAverage High 2021–2026
14.6 °C