Barrallier Island Weather Forecast

    • 15
    • 24

    Cloud clearing

    • 12
    • 29

    Sunny

    • 17
    • 29

    Mostly sunny

    • 14
    • 23

    Showers increasing

    • 11
    • 17

    Showers

    • 8
    • 15

    Showers

    • 7
    • 16

    Shower or two

Today 21 Oct Mornington Peninsula

Partly cloudy. The chance of a thunderstorm in the afternoon. Light winds becoming southerly 15 to 25 km/h in the early afternoon then tending southeasterly in the evening.

Western Port Local Waters

Wind
West to southwesterly below 10 knots becoming south to southeasterly in the middle of the day.
Seas
Below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon.
Weather Situation
A high pressure system centred over the Tasman Sea will drift slowly eastwards throughout this week. A weak trough lingers over western Victoria today, before a cold front approaches from the west on Friday, crossing the State over the weekend.
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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

    14.7 °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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