Cwmpennar Weather Forecast
- 12
- 16
Cloudy
- 16
- 18
Heavy rain
- 15
- 19
Light rain
- 14
- 19
Overcast
- 10
- 17
Light rain shower
- 9
- 15
Partly cloudy
Today 16 Sep Wales
A drier day albeit still the chance of a few isolated showers. Sunny spells are likely through the morning, but any sunshine turning hazy through the afternoon. Still breezy, though winds easing through the morning. Maximum Temperature 17C.
Tonight 16 Sep Wales
Cloudy with showery rain affecting southern and western counties through the evening, before a band of heavier and more persistent spreads eastwards overnight. Increasingly windy by dawn. Minimum Temperature 11C.
Cwmpennar Temperature Statistics
September Temperature
St-athan (32km)
Lowest 14 September, 2025
10.1 °CAverage September
15.6 °CHighest 6 September, 2025
22 °C
Climate (2020–Present)
St-athan (32km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
11.6 °CAverage High 2020–2025
14.5 °C