Charleston Weather Forecast
- 10
- 13
Showers
- 5
- 14
Cloudy
- 5
- 15
Mostly sunny
- 6
- 17
Partly cloudy
- 7
- 16
Partly cloudy
- 6
- 16
Partly cloudy
- 7
- 18
Sunny
Today 25 Aug Mount Barker
Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. Winds southerly 20 to 30 km/h tending southwesterly 15 to 20 km/h in the evening then becoming light in the late evening.
Charleston Temperature Statistics View More
August Temperature
Mount Barker (18km)
Lowest 1 August, 2026
-0.4 °CAverage August
10.5 °CHighest 23 August, 2026
17.4 °C
Climate (2021–2026)
Mount Barker (18km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
14 °CAverage High 2021–2026
21.1 °C