Sunnyside Beach Weather Forecast

    • 4
    • 14

    Sunny

    • 3
    • 14

    Mostly sunny

    • 3
    • 16

    Sunny

    • 7
    • 17

    Shower or two

    • 8
    • 15

    Showers

    • 6
    • 14

    Showers

    • 7
    • 14

    Possible shower

Today 20 Jun Mornington Peninsula

Sunny. Winds northerly 15 to 20 km/h becoming light in the middle of the day.

Port Phillip Local Waters

Wind
North to northeasterly about 10 knots.
Seas
Below 1 metre.
Weather
Mostly sunny.
Weather Situation
A slow moving high pressure system over southern NSW extends a ridge over eastern Bass Strait. The high will move over the Tasman Sea on Saturday, with northerly winds strengthening on Sunday into Monday as a cold front crosses the Bight.
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  • Temperature Forecast Bureau of Meteorology

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Sunnyside Beach Temperature Statistics View More

June Temperature

Cerberus (20km)

  • Lowest 14 June, 2025

    -0.1 °C

  • Average June

    10 °C

  • Highest 1 June, 2025

    19 °C

Climate (2020–Present)

Cerberus (20km)

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  • Average Low 2020–2025

    10.2 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.5 °C
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