Gunnamatta Beach Weather Forecast

    • 7
    • 14

    Rain

    • 5
    • 14

    Shower

    • 7
    • 16

    Shower

    • 6
    • 16

    Shower

    • 6
    • 18

    Shower

    • 7
    • 15

    Shower

    • 5
    • 18

    Shower

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.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 25 to 30 knots shifting south to southwesterly in the evening. Winds reaching up to 40 knots in the late evening.
Seas
2.5 to 3 metres.
1st Swell
West to southwesterly 1 to 2 metres, increasing to 2 to 4 metres in the west.
Weather
Cloudy. 95% chance of rain. The chance of a thunderstorm in the afternoon and evening. Possible small hail at night.
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

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

August Temperature

Cerberus (28km)

  • Lowest 19 August, 2025

    -2.3 °C

  • Average August

    9.8 °C

  • Highest 4 August, 2025

    19 °C

Climate (2020–Present)

Cerberus (28km)

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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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