Williamstown Weather Forecast
- 14
- 23
Partly cloudy
- 12
- 26
Cloud clearing
- 15
- 31
Partly cloudy
- 20
- 27
Shower or two
- 14
- 22
Showers
- 9
- 15
Showers
- 7
- 15
Shower or two
Today 20 Oct Adelaide
Partly cloudy. Slight chance of a shower, becoming less likely in the late morning and early afternoon. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds westerly 15 to 20 km/h turning south to southwesterly in the late morning and afternoon then becoming light in the evening.
Williamstown Temperature Statistics View More
October Temperature
Mount Crawford (Fire Tower) (7 km)
Lowest 14 October, 2026
4 °CAverage October
13.4 °CHighest 11 October, 2026
25.7 °C
Climate (2021–2026)
Mount Crawford (Fire Tower) (7 km)
Average Low 2021–2026
9.8 °CAverage 2021–2026
13.8 °CAverage High 2021–2026
19.3 °C