Swan Island Weather Forecast

    • 7
    • 16

    Shower

    • 6
    • 15

    Partly cloudy

    • 6
    • 15

    Cloudy

    • 7
    • 15

    Cloudy

    • 9
    • 20

    Shower

    • 9
    • 17

    Partly cloudy

    • 10
    • 17

    Shower

Today 28 Aug Central

Becoming cloudy. Patches of frost and the chance of fog about the ranges this morning. Medium chance of showers, most likely during this afternoon and evening. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures between 14 and 17.

Port Phillip Local Waters

Wind
West to northwesterly about 10 knots becoming south to southwesterly in the middle of the day.
Seas
Below 1 metre.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure centre will persist across the State, weakening slightly during Friday as the tail end of a cold front clips southern parts of the State. A new ridge builds eastwards across the State from Saturday and moves slowly eastwards on Sunday and Monday.
Graph Plots Open in Graphs

  • 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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