Gunnamatta Beach Weather Forecast

    • 9
    • 15

    Shower

    • 8
    • 15

    Shower

    • 8
    • 16

    Partly cloudy

    • 9
    • 15

    Shower

    • 7
    • 13

    Shower

    • 7
    • 14

    Shower

    • 6
    • 14

    Cloudy

Today 25 Jul Mornington Peninsula

Cloudy. Medium chance of showers. Winds westerly 15 to 25 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 20 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A westerly airstream will weaken on Saturday as a ridge of high pressure begins to develop over the north, extending across remaining parts during Sunday. The high pressure system will drift into the Tasman Sea on Monday as a cold front approaches from the west. The front is expected to cross Victoria on Tuesday with a cool southwesterly airstream following into Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

July Temperature

Cerberus (28km)

  • Lowest 19 July, 2026

    1.3 °C

  • Average July

    10 °C

  • Highest 1 July, 2026

    17.9 °C

Climate (2021–2026)

Cerberus (28km)

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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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