Swan Island Weather Forecast

    • 7
    • 16

    Partly cloudy

    • 8
    • 24

    Windy

    • 15
    • 24

    Shower

    • 13
    • 20

    Rain

    • 10
    • 15

    Shower

    • 10
    • 15

    Shower

    • 8
    • 17

    Partly cloudy

Today 28 Sep Central

Mostly clear. Light winds.

Port Phillip Local Waters

Wind
Easterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A high pressure system just west of Tasmania will move over the Tasman Sea overnight as a low pressure trough crosses the Bight. The trough is forecast to move slowly east on Tuesday, entering western Victoria on Wednesday night before slowly crossing the rest of Victoria on Thursday. The trough is expected to linger over eastern Victoria on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

September Temperature

Avalon Airport (30km)

  • Lowest 18 September, 2026

    0.7 °C

  • Average September

    13 °C

  • Highest 20 September, 2026

    30.4 °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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