Williamstown Weather Forecast
- 13
- 25
Mostly sunny
- 16
- 26
Sunny
- 17
- 24
Partly cloudy
- 16
- 22
Showers
- 12
- 20
Shower or two
- 12
- 19
Shower or two
- 11
- 19
Showers increasing
Today 30 Apr Melbourne
The chance of smoke haze in the morning. Mostly sunny afternoon. Winds northerly 25 to 35 km/h becoming light in the evening then becoming north to northeasterly 15 to 20 km/h in the late evening.
Port Phillip Local Waters
- Wind
- Northeasterly below 10 knots tending northerly 15 to 20 knots in the early morning.
- Seas
- Around 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system over the southern Tasman Sea continues to extend a ridge over Victoria. The high will remain near stationary before a low pressure system deepens over the Bight from late today, impacting Victorian coastal waters over the weekend.
Williamstown Temperature Statistics View More
April Temperature
Laverton RAAF Base (12km)
Lowest 19 April, 2026
2.4 °CAverage April
16.3 °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
20.6 °C