Williamstown Beach Weather Forecast
- 10
- 17
Showers
- 8
- 18
Showers increasing
- 14
- 19
Showers
- 11
- 16
Shower or two
- 10
- 15
Shower or two
- 7
- 16
Sunny
- 11
- 15
Possible shower
Today 3 Sep Melbourne
Partly cloudy. High chance of showers, most likely in the morning. Winds north to northwesterly 15 to 25 km/h turning westerly 20 to 30 km/h in the late morning then becoming light in the evening.
Port Phillip Local Waters
- Wind
- West to northwesterly 15 to 20 knots.
- Seas
- Around 1 metre.
- Weather
- Partly cloudy. 70% chance of showers.
Williamstown Beach Temperature Statistics View More
September Temperature
Laverton RAAF Base (11km)
Lowest 1 September, 2026
7.5 °CAverage September
15 °CHighest 1 September, 2026
22.1 °C
Climate (2021–2026)
Laverton RAAF Base (11km)
Average Low 2021–2026
10.6 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.6 °C