Onllwyn Weather Forecast
- 6
- 12
Partly cloudy
- 6
- 11
Cloudy
- 6
- 10
Sunny day
- 6
- 10
Cloudy
- 6
- 9
Cloudy
- 5
- 8
Cloudy
- 4
- 9
Cloudy
Today 31 Oct Wales
Fog and mist generally lift, though it may linger all day in places, leaving a dry and bright day elsewhere. Winds remaining light and feeling rather mild especially where fog clears. Maximum temperature 15 °C.
Tonight 31 Oct Wales
Low cloud and patchy rain arrive in the north late on, pushing southwards. In southern areas mist and fog patches develop by early morning. A chillier night than Friday night. Minimum temperature 4 °C.
Onllwyn Temperature Statistics
October Temperature
Sennybridge (31 km)
Lowest 18 October, 2026
-0.2 °CAverage October
10.1 °CHighest 12 October, 2026
17.9 °C
Climate (2021–2026)
Sennybridge (31 km)
Average Low 2021–2026
5.7 °CAverage 2021–2026
9.5 °CAverage High 2021–2026
13 °C