Mount Martha Weather Forecast

    • 6
    • 14

    Showers. Windy

    • 4
    • 13

    Showers easing. Wind easing

    • 6
    • 15

    Shower or two

    • 5
    • 16

    Possible shower

    • 5
    • 17

    Shower or two

    • 7
    • 18

    Possible shower

    • 7
    • 20

    Shower or two

Today 29 Aug Mornington Peninsula

Cloudy. Very high chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail in the evening. Damaging winds possible. Winds north to northwesterly 30 to 45 km/h turning west to southwesterly 35 to 50 km/h in the late evening.

Port Phillip Local Waters

Wind
North to northwesterly 20 to 25 knots turning west to southwesterly in the late evening. Winds reaching up to 30 knots in the late morning and early afternoon and again in the late evening. Squalls possible.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres in the south.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail in the evening.
Weather Situation
A vigorous cold front and trough will move across Victoria during today and early Saturday. A high pressure system will develop over the Bight late Saturday and early Sunday and will extend a ridge over Victoria early next week. The high will move eastwards to be centred over eastern Victoria late Tuesday or early Wednesday. Another cold front will move across next Thursday.
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  • Temperature Forecast Bureau of Meteorology

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Mount Martha Temperature Statistics View More

August Temperature

Cerberus (18km)

  • Lowest 19 August, 2025

    -2.3 °C

  • Average August

    9.8 °C

  • Highest 4 August, 2025

    19 °C

Climate (2020–Present)

Cerberus (18km)

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  • Average Low 2020–2025

    10.2 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.6 °C
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