Swan Island Weather Forecast

    • 10
    • 20

    Cloudy

    • 12
    • 19

    Shower

    • 11
    • 20

    Windy

    • 11
    • 17

    Cloudy

    • 11
    • 18

    Cloudy

    • 11
    • 24

    Partly cloudy

    • 14
    • 31

    Sunny

Today 22 Dec Central

Partly cloudy. Medium chance of showers near the Otways, most likely later tonight. Near zero chance of rain elsewhere. Winds west to southwesterly 15 to 25 km/h becoming light in the late evening.

Port Phillip Local Waters

Wind
South to southwesterly 10 to 15 knots turning west to northwesterly below 10 knots in the late evening.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A weak cold front will sweep through coastal fringes late this evening and early Tuesday. Behind this, a ridge of high pressure re-develops and persists across Victoria this week, with the high pressure centre expected to slowly move through Bass Strait from Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

December Temperature

Avalon Airport (30km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    17.1 °C

  • Highest 18 December, 2025

    39.5 °C

Climate (2020–Present)

Avalon Airport (30km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
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