Sunnyside Beach Weather Forecast

    • 11
    • 26

    Partly cloudy

    • 14
    • 21

    Showers increasing

    • 14
    • 22

    Shower or two

    • 11
    • 24

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 14
    • 23

    Cloudy

Today 15 Mar Mornington Peninsula

Cloudy. Slight chance of a shower. Winds southerly 15 to 25 km/h turning southeasterly 15 to 20 km/h in the evening.

Port Phillip Local Waters

Wind
South to southeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Below 1 metre.
Weather
Cloudy.
Weather Situation
A broad trough of low pressure will extend over western Victoria this evening, then slowly move over the state through Monday before contracting to the far east during Tuesday. Another high will develop over the Bight during Tuesday and extend a ridge over southern Victoria by Tuesday evening. This ridge is expected to continue over southern Victoria through Wednesday and Thursday, with a trough to persist about the far east of the state.
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  • Temperature Forecast Bureau of Meteorology

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Sunnyside Beach Temperature Statistics View More

March Temperature

Cerberus (20km)

  • Lowest 5 March, 2026

    8.8 °C

  • Average March

    17.7 °C

  • Highest 1 March, 2026

    30.1 °C

Climate (2021–Present)

Cerberus (20km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    19.6 °C
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