Swan Island Weather Forecast

    • 7
    • 14

    Clear

    • 6
    • 15

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 11
    • 17

    Shower

    • 9
    • 17

    Shower

    • 7
    • 16

    Shower

    • 7
    • 15

    Partly cloudy

Today 16 Aug Central

Mostly clear. Light winds.

Port Phillip Local Waters

Wind
South to southeasterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Clear.
Weather Situation
A high pressure system centred over Tasmania will move over the Tasman Sea on Monday. An associated ridge south of Victoria will also move eastwards over the Tasman Sea on Monday. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday then a weak high pressure ridge will move over the state on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

August Temperature

Avalon Airport (30km)

  • Lowest 1 August, 2026

    -0.7 °C

  • Average August

    10.6 °C

  • Highest 2 August, 2026

    18.5 °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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