Sunnyside Beach Weather Forecast

    • 12
    • 21

    Cloudy

    • 10
    • 24

    Mostly sunny

    • 11
    • 27

    Mostly sunny

    • 14
    • 24

    Showers

    • 14
    • 22

    Shower or two

    • 12
    • 23

    Mostly sunny

    • 13
    • 23

    Partly cloudy

Today 13 Mar Mornington Peninsula

Cloudy. Slight chance of a shower in the morning. Winds south to southwesterly 20 to 30 km/h tending south to southeasterly 15 to 20 km/h during the day.

Port Phillip Local Waters

Wind
South to southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Weather
Cloudy.
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Sunnyside Beach Temperature Statistics View More

March Temperature

Cerberus (20km)

  • Lowest 5 March, 2026

    8.8 °C

  • Average March

    18.2 °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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