Barrallier Island Weather Forecast

    • 10
    • 19

    Showers. Possible storm

    • 8
    • 14

    Shower or two

    • 6
    • 18

    Sunny

    • 6
    • 19

    Partly cloudy

    • 10
    • 21

    Mostly sunny

    • 11
    • 23

    Shower or two

    • 11
    • 19

    Partly cloudy

Today 26 Oct Mornington Peninsula

Cloudy. High chance of showers. The chance of a thunderstorm early this evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds west to southwesterly 15 to 20 km/h tending south to southwesterly in the evening.

Western Port Local Waters

Wind
Westerly below 10 knots tending southwesterly 10 to 15 knots in the evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Weather Situation
A low pressure system will move over Bass Strait during Sunday and will extend a cold front across Victoria. A cooler southerly airstream will extend over the state on Monday. A broad trough will extend over Victoria on Tuesday from a low pressure system centred to the north and a high pressure ridge will move over Tasmania. The ridge will move over Victoria on Thursday ahead of another low pressure trough on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Barrallier Island Temperature Statistics View More

October Temperature

Cerberus (15km)

  • Lowest 14 October, 2025

    4.5 °C

  • Average October

    13.6 °C

  • Highest 16 October, 2025

    29.8 °C

Climate (2020–Present)

Cerberus (15km)

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  • Average Low 2020–2025

    10.2 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.6 °C
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