Sunnyside Beach Weather Forecast

    • 8
    • 25

    Mostly sunny

    • 12
    • 20

    Partly cloudy

    • 9
    • 23

    Partly cloudy

    • 13
    • 20

    Showers

    • 7
    • 14

    Showers

    • 6
    • 14

    Shower or two

    • 6
    • 16

    Partly cloudy

Today 9 Oct Mornington Peninsula

Mostly sunny day. Slight chance of a shower in the evening. Winds northeasterly 15 to 25 km/h turning northerly 25 to 40 km/h in the late evening.

Port Phillip Local Waters

Wind
Northeasterly 10 to 15 knots turning northerly 15 to 20 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the south during the morning.
Weather
Mostly sunny.
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Sunnyside Beach Temperature Statistics View More

October Temperature

Cerberus (20 km)

  • Lowest 6 October, 2026

    7.2 °C

  • Average October

    12.7 °C

  • Highest 1 October, 2026

    20.9 °C

Climate (2021–2026)

Cerberus (20 km)

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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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