Eastern Sister Weather Forecast

    • 9
    • 14

    Shower

    • 10
    • 15

    Shower

    • 9
    • 15

    Shower

    • 10
    • 15

    Shower

    • 9
    • 14

    Partly cloudy

    • 7
    • 15

    Partly cloudy

    • 7
    • 15

    Partly cloudy

Today 11 Aug Mornington Peninsula

Cloudy. Medium chance of showers, most likely later tonight. Winds northwesterly 20 to 30 km/h tending northerly 25 to 40 km/h in the evening.

Port Phillip Local Waters

Wind
Northwesterly 10 to 15 knots turning northerly 15 to 20 knots in the late afternoon. Winds reaching up to 25 knots in the south in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the south later in the evening.
Weather
Cloudy.
Weather Situation
A ridge of high pressure extends over eastern Victoria from a high pressure system centred over Queensland. The ridge will move eastwards later Tuesday and overnight as a cold front approaches from the west. The cold front will move across Victoria during Wednesday then a high pressure system is expected to build over the Bight later in the week and extend a ridge across Victoria. The main high pressure centre will move over Tasmania over the weekend and the ridge will move to the south of Victoria.
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  • Temperature Forecast Bureau of Meteorology

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Eastern Sister Temperature Statistics View More

August Temperature

Cerberus (36km)

  • Lowest 2 August, 2026

    2.3 °C
  • Average August

    10.3 °C
  • Highest 2 August, 2026

    17.4 °C

Climate (2021–2026)

Cerberus (36km)

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  • Average Low 2021–2026

    10.2 °C
  • Average 2021–2026

    14.6 °C
  • Average High 2021–2026

    19.7 °C
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