Onion Bay Weather Forecast

    • 7
    • 14

    Shower

    • 10
    • 14

    Shower

    • 10
    • 13

    Cloudy

    • 7
    • 13

    Cloudy

    • 7
    • 13

    Cloudy

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Shower

Today 23 Jun South West

Partly cloudy. Patchy fog in the north in the late morning. Medium chance of showers near the coast, slight chance elsewhere. Winds northwesterly 15 to 25 km/h becoming light in the late afternoon. Daytime maximum temperatures around 14.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre later in the evening.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A high pressure ridge lies over southern Australia. A weak cold front will cross Tasmania during today and impact the far south of the state. The high is then forecast to drift slowly over Tasmania during the second half of the week bringing stable conditions to Victoria.
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 15 June, 2026

    6.5 °C

  • Average June

    13.1 °C

  • Highest 12 June, 2026

    19.2 °C

Climate (2021–2026)

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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