Gunnamatta Beach Weather Forecast

    • 17
    • 26

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 13
    • 28

    Partly cloudy

    • 17
    • 28

    Windy

    • 15
    • 23

    Shower

    • 11
    • 17

    Shower

    • 9
    • 16

    Shower

Today 20 Oct Mornington Peninsula

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm early this evening. Winds northerly 20 to 30 km/h turning east to northeasterly 15 to 20 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres in the west.
Weather
Partly cloudy. The chance of a thunderstorm early this evening.
Weather Situation
A high pressure system centred over the Tasman Sea will drift slowly eastwards throughout this week. A weak trough will move over western Victoria tonight and Wednesday, before a cold front approaches from the west on Friday, crossing the State over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

October Temperature

Cerberus (28 km)

  • Lowest 15 October, 2026

    3.3 °C

  • Average October

    14.7 °C

  • Highest 9 October, 2026

    27 °C

Climate (2021–2026)

Cerberus (28 km)

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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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