Swan Island Weather Forecast

    • 5
    • 15

    Shower

    • 5
    • 15

    Partly cloudy

    • 8
    • 16

    Shower

    • 9
    • 15

    Rain

    • 8
    • 14

    Rain

    • 7
    • 16

    Shower

    • 7
    • 13

    Shower

Today 6 Aug Central

Cloudy. Medium chance of showers, most likely in the evening. Winds northwesterly 15 to 25 km/h. Daytime maximum temperatures between 10 and 16.

Port Phillip Local Waters

Wind
Northwesterly about 10 knots increasing to 10 to 15 knots in the late evening.
Seas
Below 1 metre.
Weather
Partly cloudy. 50% chance of showers in the late afternoon and evening.
Weather Situation
A low pressure system and associated trough centred over the Tasman Sea will move away from the state as a high pressure system to the north extends a ridge over the west. The ridge will slowly move eastwards across the state through to the end of the week. A weak trough will clip parts of the south during today. The high pressure system will move out over the Tasman Sea on Saturday ahead of a vigorous cold front expected to cross the state on Sunday.
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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

    9.4 °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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