Sand Island Weather Forecast

    • 11
    • 16

    Windy

    • 11
    • 16

    Cloudy

    • 11
    • 19

    Partly cloudy

    • 11
    • 25

    Sunny

    • 13
    • 30

    Sunny

    • 16
    • 32

    Shower

    • 12
    • 18

    Shower

Today 25 Dec Central

Cloudy. Slight chance of a shower in the east, near zero chance elsewhere. Winds south to southwesterly 20 to 30 km/h.

Port Phillip Local Waters

Wind
Southerly 15 to 20 knots, reaching up to 25 knots in the southern bay.
Seas
1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight extends a broad ridge east over coastal waters. The high is expected to slowly move east over Tasmania on Saturday and the Tasman Sea on Sunday while maintaining a ridge over waters. This ridge will begin clearing as a trough enters the West Coast late on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sand Island Temperature Statistics View More

December Temperature

Avalon Airport (30km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    16.9 °C

  • Highest 18 December, 2025

    39.5 °C

Climate (2020–Present)

Avalon Airport (30km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
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