Swan Island Weather Forecast

    • 12
    • 17

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 15
    • 26

    Partly cloudy

    • 14
    • 20

    Partly cloudy

    • 13
    • 20

    Cloudy

    • 13
    • 24

    Partly cloudy

Today 31 Dec Central

Partly cloudy. Winds southerly 25 to 35 km/h.

Port Phillip Local Waters

Wind
Southerly 15 to 25 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the north.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure moves over southern Victoria this evening and Thursday, as a trough lies near the NSW boarder. A broad area of low pressure is expected to develop over Victoria by Friday, with a trough lingering over central and eastern parts on Saturday and Sunday. Another ridge of high pressure begins to move in from the west by late Sunday.
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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 °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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