Barrallier Island Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 10
    • 20

    Mostly sunny

    • 11
    • 26

    Sunny

    • 12
    • 29

    Sunny

    • 15
    • 29

    Becoming cloudy

    • 12
    • 18

    Shower or two

    • 11
    • 19

    Possible shower

Today 26 Dec Mornington Peninsula

Mostly clear. Winds southerly 20 to 30 km/h.

Western Port Local Waters

Wind
Southerly 10 to 15 knots.
Seas
Around 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system extends a broad ridge over Victoria as it slowly moves east from the Bight, over Tasmania on Saturday and out to the Tasman Sea on Sunday. This ridge will begin clearing as a trough enters the far west late Monday, slowly moving over the state on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Barrallier Island Temperature Statistics View More

December Temperature

Cerberus (15km)

  • Lowest 3 December, 2025

    6 °C

  • Average December

    16.1 °C

  • Highest 18 December, 2025

    35.8 °C

Climate (2020–Present)

Cerberus (15km)

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  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.5 °C
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