Sunnyside Beach Weather Forecast

    • 9
    • 17

    Showers

    • 10
    • 19

    Showers easing

    • 12
    • 21

    Shower or two

    • 12
    • 20

    Shower or two

    • 11
    • 21

    Showers increasing

    • 11
    • 17

    Shower or two

    • 9
    • 17

    Partly cloudy

Today 12 Apr Mornington Peninsula

Cloudy. Very high chance of showers. Winds southwesterly 30 to 45 km/h decreasing to 25 to 35 km/h in the late evening.

Port Phillip Local Waters

Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots in the south in the late afternoon.
Seas
1 to 1.5 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A high pressure system in the Bight is directing a ridge of high pressure over northern Victoria into early next week, while a mostly westerly flow continues in the south. A cold front is expected to enter Victoria early Wednesday, briefly weakening the ridge of high pressure. Another cold front will follow later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sunnyside Beach Temperature Statistics View More

April Temperature

Cerberus (20km)

  • Lowest 8 April, 2026

    9.3 °C

  • Average April

    16 °C

  • Highest 1 April, 2026

    28.3 °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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