Sullivan Bay Weather Forecast

    • 6
    • 17

    Clear

    • 10
    • 22

    Partly cloudy

    • 14
    • 20

    Shower

    • 11
    • 16

    Shower

    • 9
    • 16

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 11
    • 22

    Shower

Today 23 Sep Mornington Peninsula

Clear. Light winds.

Port Phillip Local Waters

Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
Weather
Clear.
Weather Situation
A high pressure system is expected to sit over the Tasman Sea for the rest of the week, directing a warm northerly airstream over Victoria. A trough will cross southern Victoria on Friday. A strong high pressure system south of the Bight will slowly move east during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sullivan Bay Temperature Statistics View More

September Temperature

Cerberus (36km)

  • Lowest 18 September, 2026

    2.4 °C

  • Average September

    13 °C

  • Highest 20 September, 2026

    26.2 °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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