Sullivan Bay Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 13
    • 27

    Partly cloudy

    • 17
    • 26

    Windy

    • 14
    • 21

    Shower

    • 11
    • 16

    Shower

    • 9
    • 15

    Shower

    • 9
    • 16

    Shower

Today 21 Oct Mornington Peninsula

Partly cloudy. The chance of a thunderstorm this afternoon. Light winds becoming southerly 15 to 25 km/h in the early afternoon then tending southeasterly in the evening.

Port Phillip Local Waters

Wind
Variable about 10 knots becoming southerly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm this afternoon.
Weather Situation
A high pressure system centred over the Tasman Sea will drift slowly eastwards throughout this week. A weak trough lingers over western Victoria today, before a cold front approaches from the west on Friday, crossing the State over the weekend.
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  • Temperature Forecast Bureau of Meteorology

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Sullivan Bay Temperature Statistics View More

October Temperature

Cerberus (36 km)

  • Lowest 15 October, 2026

    3.3 °C

  • Average October

    14.7 °C

  • Highest 9 October, 2026

    27 °C

Climate (2021–2026)

Cerberus (36 km)

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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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