Barrallier Island Weather Forecast

    • 11
    • 24

    Sunny

    • 12
    • 26

    Sunny

    • 15
    • 26

    Possible shower

    • 13
    • 23

    Possible shower

    • 13
    • 27

    Mostly sunny

    • 17
    • 27

    Showers increasing

    • 13
    • 19

    Shower or two

Today 18 Oct Mornington Peninsula

Sunny. Winds northerly 15 to 20 km/h becoming light in the early afternoon then becoming easterly 15 to 20 km/h in the evening.

Western Port Local Waters

Wind
Northeasterly below 10 knots becoming north to northwesterly in the early morning then becoming east to southeasterly in the late afternoon.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system centred over the Tasman Sea will move very slowly eastwards over the week ahead. A weak trough will move over western and central parts of Victoria on Tuesday and Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Barrallier Island Temperature Statistics View More

October Temperature

Cerberus (15 km)

  • Lowest 15 October, 2026

    3.3 °C

  • Average October

    14.2 °C

  • Highest 9 October, 2026

    27 °C

Climate (2021–2026)

Cerberus (15 km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    19.7 °C
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