South Beach Weather Forecast

    • 6
    • 21

    Mostly sunny

    • 12
    • 22

    Sunny

    • 12
    • 25

    Possible late shower. Windy

    • 9
    • 15

    Partly cloudy

    • 6
    • 16

    Mostly sunny

    • 6
    • 19

    Mostly sunny

    • 9
    • 19

    Partly cloudy

Today 18 Sep Mornington Peninsula

Mostly sunny. Winds northwesterly 15 to 25 km/h.

Western Port Local Waters

Wind
Northwesterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas
Below 1 metre.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system centred over western Victoria will move slowly over NSW before a cold front crosses the State on Sunday. A new high pressure system will approach the State following the cold front.
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  • Temperature Forecast Bureau of Meteorology

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South Beach Temperature Statistics View More

September Temperature

Cerberus (3km)

  • Lowest 8 September, 2026

    3.3 °C

  • Average September

    12.6 °C

  • Highest 13 September, 2026

    25.6 °C

Climate (2021–2026)

Cerberus (3km)

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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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