Onion Bay Weather Forecast

    • 9
    • 14

    Shower

    • 11
    • 16

    Shower

    • 10
    • 16

    Shower

    • 9
    • 15

    Shower

    • 7
    • 15

    Cloudy

    • 8
    • 18

    Cloudy

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    Shower

Today 17 Nov South West

Cloudy. Medium chance of showers. 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 25 to 30 knots.
Seas
2 to 2.5 metres.
1st Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A high well to the west will continue to direct a cool west to southwesterly flow across the state this week. The flow will gradually ease and turn south to southeasterly as the high moves eastwards this week to be over Tasmania by Friday.
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

    12.8 °C

  • Highest 2 November, 2025

    29.6 °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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