Western Sister Weather Forecast

    • 17
    • 27

    Partly cloudy

    • 16
    • 25

    Sunny

    • 16
    • 22

    Partly cloudy

    • 14
    • 19

    Windy

    • 14
    • 24

    Sunny

    • 16
    • 32

    Partly cloudy

    • 18
    • 25

    Partly cloudy

Today 19 Jan Mornington Peninsula

Partly cloudy. Winds easterly 20 to 30 km/h.

Port Phillip Local Waters

Wind
East to southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the north.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over the southern Tasman Sea will move away to the southeast Tuesday. A low pressure trough over western districts will move slowly northeastwards mid week. Another high develops over waters south of the Bight and extends a ridge over Victoria later in the week.
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  • Temperature Forecast Bureau of Meteorology

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Western Sister Temperature Statistics View More

January Temperature

Cerberus (36km)

  • Lowest 2 January, 2026

    8.5 °C

  • Average January

    18.9 °C

  • Highest 9 January, 2026

    42.3 °C

Climate (2021–Present)

Cerberus (36km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    19.5 °C
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