Trefechan Weather Forecast
- 5
- 10
Light rain
- 3
- 10
Heavy rain
- 2
- 11
Cloudy
- 6
- 10
Overcast
- 5
- 12
Light rain shower
- 8
- 12
Light rain
- 9
- 13
Light rain
Today 13 May Wales
A chilly feeling day. There will be some bright spells, but it'll often be cloudy with blustery, locally heavy showers and a risk of hail. Driest in the south and west. A brisk northerly wind adding to the colder feel. Maximum temperature 12 °C.
Tonight 13 May Wales
Showers easing but persisting overnight with the brisk northerly wind continuing. Rather chilly, but the wind and cloud preventing a frost. Minimum temperature 6 °C.
Trefechan Temperature Statistics
May Temperature
Sennybridge (35km)
Lowest 11 May, 2026
-1 °CAverage May
9 °CHighest 9 May, 2026
16.6 °C
Climate (2021–Present)
Sennybridge (35km)
Average Low 2021–2026
5.7 °CAverage 2021–2026
9.3 °CAverage High 2021–2026
12.8 °C