Swan Island Weather Forecast

    • 8
    • 16

    Shower

    • 9
    • 17

    Shower

    • 8
    • 16

    Cloudy

    • 8
    • 16

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 8
    • 16

    Shower

    • 9
    • 15

    Shower

Today 19 May Central

Partly cloudy. Patchy morning fog. High chance of showers in the east, medium chance elsewhere. Winds west to southwesterly 15 to 25 km/h. Daytime maximum temperatures between 13 and 17.

Port Phillip Local Waters

Wind
West to southwesterly about 10 knots increasing to 15 to 20 knots in the morning.
Seas
Below 0.5 metres, increasing to around 1 metre during the morning.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A high pressure ridge will extend across the north of the State whilst a couple of weak cold fronts will cross to the south during today and early Wednesday. The high pressure ridge will extend across the remainder of the State late Wednesday then persist for Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

May Temperature

Avalon Airport (30km)

  • Lowest 11 May, 2026

    5.3 °C

  • Average May

    14.5 °C

  • Highest 1 May, 2026

    29.3 °C

Climate (2021–Present)

Avalon Airport (30km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    20.6 °C
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