Blaenavon Weather Forecast
- 15
- 19
Light rain
- 10
- 17
Partly cloudy
- 11
- 15
Cloudy
- 9
- 14
Cloudy
- 11
- 14
Cloudy
- 10
- 16
Light rain
Today 14 Sep Wales
Largely cloudy skies on Monday with a few outbreaks of rain or drizzle possible at times. Some warm and humid brighter spells also likely in the afternoon. Maximum temperature 23 °C.
Blaenavon Temperature Statistics
September Temperature
Hereford (39km)
Lowest 12 September, 2026
7.2 °CAverage September
15.8 °CHighest 6 September, 2026
25.3 °C
Climate (2021–2026)
Hereford (39km)
Average Low 2021–2026
6.8 °CAverage 2021–2026
11.2 °CAverage High 2021–2026
15.3 °C