Onion Bay Weather Forecast

    • 8
    • 16

    Shower

    • 8
    • 16

    Shower

    • 7
    • 17

    Shower

    • 10
    • 16

    Shower

    • 7
    • 12

    Shower

    • 7
    • 14

    Cloudy

    • 7
    • 16

    Partly cloudy

Today 23 Oct South West

Cloudy. Medium chance of showers. Winds west to southwesterly 15 to 20 km/h becoming light in the late evening. Daytime maximum temperatures around 16.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 15 to 20 knots, reaching up to 30 knots in the far east early in the morning. Winds tending westerly in the morning.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the east.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy.
Weather Situation
West to south westerly flow persists as a high pressure system to the west of Victoria gradually moves eastwards towards the state. The ridge will extend across the state on Friday bringing a settled day. Another low and cold front are likely to move across during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Bay Temperature Statistics View More

October Temperature

Cape Otway (29km)

  • Lowest 2 October, 2025

    7 °C

  • Average October

    13.3 °C

  • Highest 16 October, 2025

    26.2 °C

Climate (2020–Present)

Cape Otway (29km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    14.2 °C

  • Average High 2020–2025

    17.4 °C
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