Barrallier Island Weather Forecast

    • 11
    • 26

    Sunny

    • 12
    • 29

    Sunny

    • 15
    • 28

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 13
    • 26

    Mostly sunny

    • 15
    • 29

    Partly cloudy

Today 28 Dec Mornington Peninsula

Sunny. Winds easterly 15 to 25 km/h becoming light in the middle of the day then becoming east to southeasterly 20 to 30 km/h in the early afternoon.

Western Port Local Waters

Wind
Easterly about 10 knots, reaching up to 20 knots west of Sandy Point in the evening.
Seas
Below 0.5 metres, increasing to below 1 metre west of Sandy Point.
Weather
Sunny.
Weather Situation
A high pressure system south of Tasmania will move into the Tasman Sea throughout the day and into Monday. A trough will slowly cross Victoria from the west during Tuesday, and linger about the northeast on Wednesday as a high pressure system centred south of the Bight extends a ridge over Tasmania.
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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

    15.9 °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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