Williamstown Marina Weather Forecast
- 5
- 13
Partly cloudy
- 4
- 14
Partly cloudy
- 2
- 15
Sunny
- 3
- 18
Sunny
- 5
- 20
Sunny
- 9
- 18
Shower or two
- 10
- 16
Shower or two
Today 17 Aug Melbourne
Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Light winds.
Port Phillip Local Waters
- Wind
- East to southeasterly below 10 knots.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A broad low pressure system moves over the northwest of Victoria and into NSW. On Monday a ridge of high pressure will extend over Bass Strait as the low moves away to the north. The high pressure system will be centred over Tasmania on Tuesday before moving slowly into the Tasman Sea where it lingers on Wednesday.
Williamstown Marina Temperature Statistics View More
August Temperature
Laverton RAAF Base (13km)
Lowest 3 August, 2025
0.5 °CAverage August
9.8 °CHighest 11 August, 2025
19.1 °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