Blackmill Weather Forecast
- 11
- 15
Light rain
- 8
- 14
Light rain shower
- 9
- 13
Cloudy
- 9
- 12
Cloudy
- 8
- 12
Partly cloudy
- 7
- 11
Partly cloudy
- 8
- 11
Cloudy
Today 20 Oct Wales
A windy start with coastal gales in the south. Sunny spells and frequent scattered blustery showers, these heavy at times with a risk of hail and thunder. Winds easing slowly. Temperatures around average. Maximum Temperature 15C.
Tonight 20 Oct Wales
Showers easing for a time this evening with occasional clear spells. Further showers arriving from the west but not as heavy as on Monday. Breezy. Minimum Temperature 8C.
Blackmill Temperature Statistics
October Temperature
St-athan (19km)
Lowest 9 October, 2025
7.7 °CAverage October
13 °CHighest 3 October, 2025
18.4 °C
Climate (2020–Present)
St-athan (19km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
11.7 °CAverage High 2020–2025
14.5 °C