Swan Island Weather Forecast

    • 11
    • 19

    Clear

    • 10
    • 30

    Partly cloudy

    • 14
    • 33

    Sunny

    • 17
    • 29

    Shower

    • 14
    • 24

    Partly cloudy

    • 12
    • 21

    Shower

    • 12
    • 21

    Cloudy

Today 16 Dec Central

Clear. Winds south to southeasterly 15 to 20 km/h becoming light in the late evening.

Port Phillip Local Waters

Wind
Southerly 10 to 15 knots turning southeasterly in the evening.
Seas
Below 1 metre.
Weather
Clear.
Weather Situation
A high pressure system in Bass Strait will maintain a ridge across Victoria as it drifts into the Tasman Sea on Wednesday. The high will continue to extend a ridge over Victoria until a broad area of low pressure develops to the south west on Friday. This area of low pressure will develop into a trough, crossing the state on Saturday.
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  • Temperature Forecast Bureau of Meteorology

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Swan Island Temperature Statistics View More

December Temperature

Avalon Airport (30km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    16.4 °C

  • Highest 4 December, 2025

    34.8 °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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