Swan Island Weather Forecast

    • 6
    • 16

    Cloudy

    • 7
    • 15

    Cloudy

    • 8
    • 20

    Shower

    • 10
    • 16

    Cloudy

    • 10
    • 17

    Shower

    • 8
    • 18

    Shower

    • 10
    • 16

    Shower

Today 30 Aug Central

Partly cloudy. Patchy morning fog about the ranges. Slight chance of a shower in the southeast, becoming less likely this afternoon. Near zero chance of rain elsewhere. Light winds becoming south to southwesterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 16.

Port Phillip Local Waters

Wind
Westerly about 10 knots becoming south to southwesterly in the middle of the day.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system in the Bight extends a ridge over Victoria during Sunday. The high moves across the State and into the Tasman Sea on Monday. A cold front approaches from the west and crosses Victoria later Tuesday.
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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

    10.8 °C

  • Highest 18 August, 2026

    19.8 °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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