Lewistown Weather Forecast
- 5
- 15
Cloudy
- 5
- 14
Cloudy
- 5
- 12
Cloudy
- 8
- 11
Cloudy
- 6
- 11
Light rain shower
- 4
- 9
Light rain shower
- 4
- 9
Partly cloudy
Today 20 Mar Wales
A chilly start with some mist and fog in places. Once this clears, there will be lots of warm sunshine to finish the working week. Maximum temperature 16 °C.
Lewistown Temperature Statistics
March Temperature
St-athan (20km)
Lowest 14 March, 2026
2.6 °CAverage March
8.8 °CHighest 18 March, 2026
17.9 °C
Climate (2021–2026)
St-athan (20km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
11.8 °CAverage High 2021–2026
14.6 °C