Thornhill Weather Forecast
- 11
- 16
Overcast
- 12
- 15
Cloudy
- 12
- 16
Heavy rain
- 11
- 14
Heavy rain shower
- 9
- 14
Cloudy
- 9
- 14
Light rain shower
- 8
- 12
Heavy rain shower
Today 17 Oct Wales
A brighter start for many with variable amounts of cloud and sunny spells through the day, especially out to the west. Staying dry with temperatures a little above average. Maximum Temperature 16C.
Tonight 17 Oct Wales
Staying cloudy for many this evening and overnight, with a few light showers in the south. Occasional clear intervals are possible, these most likely in the north and perhaps turning locally chilly here. Otherwise staying relatively mild. Minimum Temperature 6C.
Thornhill Temperature Statistics
October Temperature
St-athan (39km)
Lowest 9 October, 2025
7.7 °CAverage October
12.9 °CHighest 3 October, 2025
18.4 °C
Climate (2020–Present)
St-athan (39km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
11.7 °CAverage High 2020–2025
14.5 °C