Onion Bay Weather Forecast

    • 16
    • 23

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 10
    • 22

    Partly cloudy

    • 11
    • 20

    Partly cloudy

    • 13
    • 24

    Partly cloudy

    • 14
    • 24

    Partly cloudy

    • 16
    • 24

    Shower

Today 26 Apr South West

Partly cloudy. Medium chance of showers in the southwest, slight chance elsewhere. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly in the middle of the day then tending south to southwesterly 15 to 20 km/h in the evening. Overnight temperatures falling to around 13 with daytime temperatures reaching the low to mid 20s.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
North to northwesterly 15 to 20 knots turning west to southwesterly 10 to 15 knots in the early afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the afternoon.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the far west.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Onion Bay Temperature Statistics View More

April Temperature

Cape Otway (29km)

  • Lowest 19 April, 2026

    7.7 °C

  • Average April

    15.4 °C

  • Highest 22 April, 2026

    25 °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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