Williamstown Marina Weather Forecast
- 13
- 21
Partly cloudy
- 12
- 21
Possible shower
- 12
- 18
Shower or two. Becoming windy
- 12
- 19
Cloudy
- 11
- 24
Sunny
- 13
- 30
Sunny
- 15
- 35
Partly cloudy
Today 23 Dec Melbourne
Partly cloudy. Medium chance of showers in the southeast suburbs, slight chance elsewhere. Winds west to northwesterly 15 to 20 km/h turning southwesterly 20 to 30 km/h in the early morning.
Port Phillip Local Waters
- Wind
- Northwest to southwesterly 15 to 20 knots tending southwesterly in the morning then tending westerly in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre around midday.
- Weather
- Partly cloudy.
Williamstown Marina Temperature Statistics View More
December Temperature
Laverton RAAF Base (13km)
Lowest 7 December, 2025
6.6 °CAverage December
17.6 °CHighest 18 December, 2025
39.3 °C
Climate (2020–Present)
Laverton RAAF Base (13km)
Average Low 2020–2025
10.5 °CAverage 2020–2025
15 °CAverage High 2020–2025
20.4 °C