Barrallier Island Weather Forecast

    • 11
    • 17

    Cloudy

    • 11
    • 17

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 11
    • 25

    Sunny

    • 13
    • 29

    Sunny

    • 15
    • 29

    Becoming cloudy

    • 12
    • 18

    Shower or two

Today 25 Dec Mornington Peninsula

Cloudy. Slight chance of a shower. Winds southwesterly 25 to 40 km/h turning southerly 25 to 35 km/h in the late evening.

Western Port Local Waters

Wind
Southwesterly 15 to 25 knots.
Seas
Below 1 metre, increasing to 1.5 to 2 metres west of Sandy Point.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight extends a broad ridge east over Victoria and Bass Strait. The high is expected to slowly move east over Tasmania on Saturday and the Tasman Sea on Sunday while maintaining a ridge over Bass Strait.
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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

    16.2 °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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