Williamson's Beach Weather Forecast
- 17
- 29
Sunny
- 13
- 22
Showers
- 11
- 18
Rain
- 9
- 17
Shower or two
- 8
- 16
Shower or two
- 9
- 17
Shower or two
- 11
- 18
Shower or two
Today 23 Oct Wonthaggi
Sunny. Winds northerly 20 to 30 km/h tending northwesterly in the middle of the day then becoming light in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northeasterly 10 to 15 knots tending northerly 15 to 20 knots before dawn then shifting west to southwesterly 10 to 15 knots in the late afternoon. Winds reaching up to 25 knots offshore during the morning and early afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2.5 to 3 metres in the far west.
- Weather
- Sunny morning. 50% chance of showers in the late afternoon and evening. The chance of a thunderstorm inshore in the afternoon and early evening.
Williamson's Beach Temperature Statistics View More
October Temperature
Wonthaggi (6 km)
Lowest 15 October, 2026
3 °CAverage October
13 °CHighest 20 October, 2026
28.6 °C
Climate (2021–2026)
Wonthaggi (6 km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
12.9 °CAverage High 2021–2026
20 °C