Williamstown Weather Forecast
- 11
- 17
Shower or two
- 12
- 17
Possible shower
- 9
- 17
Partly cloudy
- 9
- 20
Cloud clearing
- 9
- 21
Mostly sunny
- 10
- 22
Mostly sunny
- 12
- 22
Partly cloudy
Today 9 May Melbourne
Cloudy. Medium chance of showers, most likely in the morning. Light winds becoming south to southwesterly 15 to 20 km/h in the morning then becoming light in the evening.
Port Phillip Local Waters
- Wind
- Southwesterly 10 to 15 knots.
- Seas
- Below 1 metre.
- Weather
- Cloudy. 60% chance of showers.
Williamstown Temperature Statistics View More
May Temperature
Laverton RAAF Base (12km)
Lowest 7 May, 2026
5.9 °CAverage May
15.8 °CHighest 1 May, 2026
28 °C
Climate (2021–Present)
Laverton RAAF Base (12km)
Average Low 2021–2026
10.6 °CAverage 2021–2026
15.1 °CAverage High 2021–2026
20.6 °C