Onion Bay Weather Forecast
- 8
- 13
Shower
- 9
- 14
Shower
- 11
- 17
Shower
- 12
- 18
Shower
- 12
- 18
Shower
- 11
- 17
Shower
- 10
- 15
Shower
Today 11 Apr South West
Cloudy. Very high chance of showers in the southeast, medium chance elsewhere. Winds westerly 25 to 40 km/h decreasing to 20 to 30 km/h in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Westerly 30 to 35 knots.
- Seas
- 3 metres, increasing to 3 to 4 metres in the far east.
- 1st Swell
- West to southwesterly 3 to 4 metres, increasing to 4 to 6 metres in the far west.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm in the east early this evening.
- Weather Situation
- A cold front in the east, continues moving east into the Tasman Sea, directing a cold west to southwesterly airstream over the state. Winds begin to ease Sunday as a high pressure system moves into the Bight, directing a ridge of high pressure over northern Victoria into early next week, while a mostly westerly flow continues in the south. Another cold front is expected enter Victoria early Wednesday, briefly weakening the ridge of high pressure.
Onion Bay Temperature Statistics View More
April Temperature
Cape Otway (29km)
Lowest 10 April, 2026
9 °CAverage April
15.5 °CHighest 9 April, 2026
21.6 °C
Climate (2021–Present)
Cape Otway (29km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
14.2 °CAverage High 2021–2026
17.4 °C