Williamstown Weather Forecast
- 18
- 33
Clear
- 20
- 36
Cloud clearing
- 25
- 42
Mostly sunny
- 24
- 33
Partly cloudy
- 14
- 24
Cloud clearing
- 11
- 27
Sunny
- 13
- 31
Sunny
Today 28 Jan Adelaide
Clear. Winds southeasterly 25 to 40 km/h increasing to 35 to 50 km/h in the evening.
Williamstown Temperature Statistics View More
January Temperature
Mount Crawford (Fire Tower) (7km)
Lowest 1 January, 2026
6.4 °CAverage January
21.4 °CHighest 26 January, 2026
42.5 °C
Climate (2021–Present)
Mount Crawford (Fire Tower) (7km)
Average Low 2021–2026
9.6 °CAverage 2021–2026
13.6 °CAverage High 2021–2026
19.1 °C