Sarn Weather Forecast
- 11
- 20
Sunny day
- 11
- 20
Sunny day
- 13
- 20
Sunny day
- 15
- 22
Sunny day
- 16
- 24
Sunny day
- 17
- 24
Sunny day
Today 7 Jul Wales
Monday will start fairly cloudy with some showers feeding southeastwards across the country. Most places will settle into a dry day though with increasingly sunny weather. Pleasantly warm, although breezy. Maximum Temperature 21C.
Sarn Temperature Statistics
July Temperature
St-athan (18km)
Lowest 3 July, 2025
10.6 °CAverage July
17.1 °CHighest 1 July, 2025
21 °C
Climate (2020–Present)
St-athan (18km)
Average Low 2020–2025
8.7 °CAverage 2020–2025
11.6 °CAverage High 2020–2025
14.4 °C