Swan Island Weather Forecast

    • 7
    • 15

    Partly cloudy

    • 6
    • 15

    Partly cloudy

    • 6
    • 18

    Partly cloudy

    • 11
    • 22

    Shower

    • 11
    • 19

    Shower

    • 8
    • 14

    Shower

    • 8
    • 14

    Cloudy

Today 10 Sep Central

Mostly clear. Winds southerly 15 to 20 km/h becoming light in the evening.

Port Phillip Local Waters

Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
Weather
Clear.
Weather Situation
A strong high pressure system to the west is extending a ridge across Victoria. The high will cross Bass Strait on Friday, with winds tending warmer northerly on Saturday as the high moves over the Tasman Sea. A low pressure trough will move across western and central Victoria later on Sunday, with a weak cold front then forecast to approach southwestern Victoria on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

September Temperature

Avalon Airport (30km)

  • Lowest 8 September, 2026

    1.8 °C

  • Average September

    12.3 °C

  • Highest 1 September, 2026

    21.8 °C

Climate (2021–2026)

Avalon Airport (30km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    20.6 °C
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