Sullivan Bay Weather Forecast

    • 7
    • 13

    Shower

    • 9
    • 13

    Shower

    • 7
    • 13

    Partly cloudy

    • 6
    • 15

    Partly cloudy

    • 8
    • 16

    Partly cloudy

    • 9
    • 15

    Shower

    • 8
    • 14

    Shower

Today 29 Jul Mornington Peninsula

Partly cloudy. High chance of showers. Winds southwesterly 25 to 40 km/h decreasing to 15 to 25 km/h in the late evening.

Port Phillip Local Waters

Wind
Southwesterly 15 to 25 knots decreasing to 10 to 15 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre later in the evening.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A large high pressure system situated in the Bight will develop a ridge over Victoria later on Wednesday. The high pressure centre will slowly cross the north on Friday before moving into the Tasman Sea on the weekend, continuing to extend a ridge over Victoria. This ridge will begin to weaken as a cold front approaches the western border late on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sullivan Bay Temperature Statistics View More

July Temperature

Cerberus (36km)

  • Lowest 19 July, 2026

    1.3 °C

  • Average July

    10.3 °C

  • Highest 1 July, 2026

    17.9 °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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