Onion Bay Weather Forecast

    • 8
    • 13

    Cloudy

    • 5
    • 15

    Shower

    • 12
    • 16

    Shower

    • 12
    • 17

    Shower

    • 12
    • 17

    Shower

    • 11
    • 15

    Shower

    • 10
    • 14

    Shower

Today 14 Jun South West

Cloudy. The chance of morning fog about the ranges. Light winds. Daytime maximum temperatures around 14.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Southwesterly 15 to 20 knots becoming variable about 10 knots in the middle of the day.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A high pressure system will develop over the state today. This high will drift eastwards into the Tasman on Monday as a low pressure system develops in the Bight, extending a weak trough off the western coast on Tuesday, lingering into Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Bay Temperature Statistics View More

June Temperature

Cape Otway (29km)

  • Lowest 11 June, 2026

    8.8 °C

  • Average June

    13.4 °C

  • Highest 12 June, 2026

    19.2 °C

Climate (2021–Present)

Cape Otway (29km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.2 °C

  • Average High 2021–2026

    17.4 °C
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