Onion Bay Weather Forecast

    • 9
    • 18

    Shower

    • 7
    • 16

    Shower

    • 10
    • 19

    Shower

    • 10
    • 17

    Shower

    • 8
    • 14

    Shower

    • 9
    • 17

    Shower

    • 10
    • 16

    Shower

Today 13 Nov South West

Partly cloudy. Slight chance of a shower in the southeast, most likely in the late afternoon and evening. Near zero chance of rain elsewhere. Winds westerly 25 to 40 km/h turning south to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures between 18 and 21.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 20 to 30 knots turning southwesterly in the late afternoon.
Seas
2 to 3 metres.
1st Swell
West to southwesterly 2 to 2.5 metres, increasing to 2.5 to 4 metres in the west.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A ridge of high pressure to the southwest will drift across Bass Strait overnight and on Friday as a low pressure system over South Australia move over northwest Victoria Friday evening. The low is expected to continue moving southeastwards on Saturday to be east of Tasmania by late Saturday evening. A broad west to southwesterly flow with embedded cold fronts will follow from Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Bay Temperature Statistics View More

November Temperature

Cape Otway (29km)

  • Lowest 11 November, 2025

    7 °C

  • Average November

    12.9 °C

  • Highest 2 November, 2025

    29.6 °C

Climate (2020–Present)

Cape Otway (29km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.2 °C

  • Average High 2020–2025

    17.4 °C
Get WillyWeather+ to remove ads