Mount Martha South Beach Weather Forecast

    • 13
    • 20

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 10
    • 21

    Mostly sunny

    • 11
    • 28

    Partly cloudy

    • 15
    • 22

    Shower or two

    • 11
    • 20

    Shower or two

    • 11
    • 19

    Cloudy

Today 9 Dec Mornington Peninsula

Slight chance of a shower early this morning. Mostly sunny afternoon. Winds west to southwesterly 15 to 25 km/h tending south to southwesterly in the morning then tending south to southeasterly 15 to 20 km/h in the late evening.

Port Phillip Local Waters

Wind
West to southwesterly 10 to 15 knots turning south to southeasterly in the afternoon. Winds reaching up to 20 knots in the north in the evening.
Seas
Around 1 metre.
Weather
Partly cloudy.
Weather Situation
A cold front is moving over Bass Strait this morning. A new ridge of high pressure will extend across from the west later today and persist during Wednesday then the main high pressure centre will move eastwards across Tasmania on Thursday. A trough will move across the far west on Friday then over the remainder of the state on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mount Martha South Beach Temperature Statistics View More

December Temperature

Cerberus (18km)

  • Lowest 3 December, 2025

    6 °C

  • Average December

    15.4 °C

  • Highest 4 December, 2025

    34 °C

Climate (2020–Present)

Cerberus (18km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.5 °C
Get WillyWeather+ to remove ads