Sand Island Weather Forecast

    • 10
    • 15

    Rain

    • 7
    • 15

    Partly cloudy

    • 5
    • 15

    Partly cloudy

    • 8
    • 16

    Shower

    • 6
    • 15

    Cloudy

    • 7
    • 15

    Cloudy

    • 7
    • 18

    Cloudy

Today 25 Aug Central

Cloudy. Very high chance of rain, becoming less likely in the late morning. The chance of a thunderstorm this afternoon. Light winds becoming south to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 12 and 15.

Port Phillip Local Waters

Wind
East to southeasterly about 10 knots becoming southwesterly in the middle of the day then increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
Weather
Cloudy. 95% chance of rain.
Weather Situation
A low pressure system will cross quickly eastwards across the State on Tuesday and move into the Tasman Sea in the evening. A large high pressure system over South Australia will begin to extend a ridge over western Victoria on Wednesday with the high pressure centre slowly moving the north on Thursday, remaining relatively stationary on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sand 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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