Trelewis Weather Forecast
- 10
- 14
Thunder
- 7
- 13
Partly cloudy
- 7
- 12
Cloudy
- 7
- 10
Light rain shower
- 6
- 11
Partly cloudy
- 4
- 9
Partly cloudy
Today 20 Oct Wales
A windy start with coastal gales in the south. Sunny spells and showers, these heavy at times with a risk of hail and thunder. Winds easing slowly. Temperatures around average. Maximum Temperature 15C.
Trelewis Temperature Statistics
October Temperature
St-athan (31km)
Lowest 9 October, 2025
7.7 °CAverage October
13 °CHighest 3 October, 2025
18.4 °C
Climate (2020–Present)
St-athan (31km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
11.7 °CAverage High 2020–2025
14.5 °C