St Donat's Bay Weather Forecast
- 10
- 19
Partly cloudy
- 14
- 22
Sunny day
- 15
- 22
Cloudy
- 17
- 23
Cloudy
- 17
- 22
Light rain shower
- 15
- 21
Heavy rain shower
- 16
- 19
Light rain shower
Today 22 Aug Wales
A mostly dry, bright day with sunny spells and patches of fair weather cloud. After a cool start, temperatures will rise to around average in the sunshine. Maximum temperature 20 °C.
Tonight 22 Aug Wales
A bright end to the day with sunny spells this evening. Remaining dry overnight with clear spells developing. Rather chilly, particularly in rural spots. Minimum temperature 5 °C.
St Donat's Bay Temperature Statistics
August Temperature
St-athan (6km)
Lowest 7 August, 2026
9.6 °CAverage August
18.9 °CHighest 12 August, 2026
33.2 °C
Climate (2021–2026)
St-athan (6km)
Average Low 2021–2026
9 °CAverage 2021–2026
11.9 °CAverage High 2021–2026
14.8 °C