Swan Island Weather Forecast

    • 12
    • 20

    Partly cloudy

    • 12
    • 20

    Windy

    • 11
    • 17

    Windy

    • 11
    • 17

    Cloudy

    • 11
    • 20

    Sunny

    • 11
    • 26

    Sunny

    • 13
    • 31

    Sunny

Today 23 Dec Central

Partly cloudy. Winds west to southwesterly 15 to 25 km/h.

Port Phillip Local Waters

Wind
South to southwesterly 10 to 15 knots turning westerly 15 to 20 knots in the late evening.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will slowly develop from the west with the high pressure centre moving south of the state on Friday. The high will begin to weaken and move over Tasmania on Saturday but will maintain a broad ridge over the state.
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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

    16.9 °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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