Western Sister Weather Forecast

    • 11
    • 25

    Partly cloudy

    • 19
    • 29

    Windy

    • 13
    • 19

    Partly cloudy

    • 13
    • 20

    Shower

    • 10
    • 17

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 14
    • 19

    Partly cloudy

Today 3 Dec Mornington Peninsula

Sunny. Light winds becoming northwesterly 15 to 25 km/h in the morning then tending northerly in the late evening.

Port Phillip Local Waters

Wind
North to northwesterly below 10 knots increasing to 10 to 15 knots in the early morning. Winds reaching up to 20 knots in the south in the late evening.
Seas
Below 1 metre.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Western Sister Temperature Statistics View More

December Temperature

Cerberus (36km)

  • Lowest 2 December, 2025

    10.5 °C

  • Average December

    12.8 °C

  • Highest 1 December, 2025

    16 °C

Climate (2020–Present)

Cerberus (36km)

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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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