Barrallier Island Weather Forecast

    • 6
    • 14

    Clear

    • 7
    • 16

    Morning fog then sunny

    • 7
    • 18

    Mostly sunny

    • 10
    • 17

    Showers increasing

    • 10
    • 16

    Shower or two

    • 8
    • 16

    Shower or two

    • 9
    • 15

    Shower or two

Today 16 Aug Mornington Peninsula

Clear. Light winds.

Western Port Local Waters

Wind
South to southeasterly below 10 knots becoming easterly in the evening.
Seas
Below 0.5 metres.
Weather
Clear.
Weather Situation
A high pressure system centred over Tasmania will move over the Tasman Sea on Monday. An associated ridge south of Victoria will also move eastwards over the Tasman Sea on Monday. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday then a weak high pressure ridge will move over the state on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Barrallier Island Temperature Statistics View More

August Temperature

Cerberus (15km)

  • Lowest 2 August, 2026

    2.3 °C

  • Average August

    10.7 °C

  • Highest 2 August, 2026

    17.4 °C

Climate (2021–2026)

Cerberus (15km)

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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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