Barrallier Island Weather Forecast

    • 12
    • 19

    Partly cloudy

    • 12
    • 19

    Possible shower

    • 11
    • 17

    Cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 21

    Sunny

    • 11
    • 26

    Sunny

    • 13
    • 29

    Sunny

Today 23 Dec Mornington Peninsula

Partly cloudy. Winds southwesterly 20 to 30 km/h tending westerly in the late evening.

Western Port Local Waters

Wind
Southwesterly 10 to 15 knots, reaching up to 25 knots west of Sandy Point in the evening. Winds tending westerly in the late evening.
Seas
Below 1 metre, increasing to 1.5 metres west of Sandy Point.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will slowly develop from the west with the high pressure centre moving south of the state on Friday. The high will begin to weaken and move over Tasmania on Saturday but will maintain a broad ridge over the state.
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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

    16.3 °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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