Pen-twyn Weather Forecast
- 0
- 4
Cloudy
- -3
- 4
Partly cloudy
- 5
- 7
Heavy rain
- 7
- 9
Light rain
- 4
- 9
Heavy rain
- 5
- 8
Cloudy
Today 9 Jan Wales
Most likely a dry start Thursday. Then an increasing risk of heavy rain, sleet and some snow, along with strong winds, which may linger into Friday. Sunshine and showers Saturday.
Pen-twyn Temperature Statistics
January Temperature
St-athan (43km)
Lowest 5 January, 2026
-2.4 °CAverage January
3.4 °CHighest 1 January, 2026
7.6 °C
Climate (2021–Present)
St-athan (43km)
Average Low 2021–2026
8.8 °CAverage 2021–2026
11.7 °CAverage High 2021–2026
14.5 °C