Pontprennau Weather Forecast
- 10
- 20
Partly cloudy
- 14
- 18
Sunny day
- 14
- 19
Partly cloudy
- 13
- 18
Partly cloudy
- 13
- 18
Sunny day
- 14
- 18
Partly cloudy
Today 30 Sep Wales
A day of sunshine and blustery showers, these turning heavy and thundery at times. A little cooler but still warm in the sunshine with winds also easing. Maximum temperature 22 °C.
Pontprennau Temperature Statistics
September Temperature
St-athan (25km)
Lowest 26 September, 2026
8.9 °CAverage September
16.3 °CHighest 6 September, 2026
25.1 °C
Climate (2021–2026)
St-athan (25km)
Average Low 2021–2026
9.1 °CAverage 2021–2026
12 °CAverage High 2021–2026
14.8 °C