Heolgerrig Weather Forecast
- 7
- 12
Cloudy
- 2
- 9
Heavy rain
- 1
- 6
Light rain shower
- 2
- 6
Cloudy
- 2
- 8
Light rain
- 2
- 8
Sunny day
Today 23 Mar Wales
A dry start to the day, with some bright or sunny spells. Cloud tending to increase as the day progresses, but staying dry with light winds. Maximum temperature 14 °C.
Heolgerrig Temperature Statistics
March Temperature
St-athan (37km)
Lowest 14 March, 2026
2.6 °CAverage March
8.9 °CHighest 18 March, 2026
17.9 °C
Climate (2021–2026)
St-athan (37km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
11.8 °CAverage High 2021–2026
14.6 °C