Williamstown Weather Forecast
- 12
- 17
Shower or two
- 11
- 17
Cloudy
- 5
- 21
Partly cloudy
- 10
- 22
Sunny
- 10
- 24
Sunny
- 13
- 24
Partly cloudy
- 12
- 22
Mostly sunny
Today 17 Apr Melbourne
Partly cloudy. Medium chance of showers, becoming less likely in the afternoon. Winds southwesterly 25 to 35 km/h.
Port Phillip Local Waters
- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots in the south in the late afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres around midday.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system will build from the west on Friday directing a cooler southerly flow across the state. This high pressure system will gradually move across the state on the weekend ahead of a weakening trough later on Sunday. A high pressure system will move south of Tasmanian early next week whilst maintaining a ridge over Victoria.
Williamstown Temperature Statistics View More
April Temperature
Laverton RAAF Base (12km)
Lowest 5 April, 2026
8 °CAverage April
16.2 °CHighest 1 April, 2026
29.4 °C
Climate (2021–Present)
Laverton RAAF Base (12km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.1 °CAverage High 2021–2026
20.5 °C