Mount Martha South Beach Weather Forecast

    • 9
    • 15

    Shower or two

    • 7
    • 15

    Cloudy

    • 6
    • 20

    Mostly sunny

    • 7
    • 21

    Mostly sunny

    • 8
    • 22

    Mostly sunny

    • 10
    • 24

    Sunny

    • 11
    • 26

    Sunny

Today 13 Oct Mornington Peninsula

Cloudy. High chance of showers, most likely in the morning. Winds west to northwesterly 20 to 30 km/h turning southwesterly 25 to 35 km/h in the morning.

Port Phillip Local Waters

Wind
West to northwesterly 15 to 25 knots turning south to southwesterly 15 to 20 knots during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the north around midday.
Weather
Cloudy. 60% chance of showers.
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Mount Martha South Beach Temperature Statistics View More

October Temperature

Cerberus (18 km)

  • Lowest 6 October, 2026

    7.2 °C

  • Average October

    14.8 °C

  • Highest 9 October, 2026

    27 °C

Climate (2021–2026)

Cerberus (18 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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