Gunnamatta Beach Weather Forecast

    • 9
    • 15

    Shower

    • 8
    • 14

    Cloudy

    • 8
    • 15

    Cloudy

    • 7
    • 20

    Partly cloudy

    • 12
    • 22

    Sunny

    • 13
    • 22

    Shower

    • 10
    • 16

    Cloudy

Today 15 Sep Mornington Peninsula

Partly cloudy. Very high chance of showers, most likely in the morning and afternoon. Possible small hail. Winds westerly 20 to 30 km/h turning southwesterly 30 to 45 km/h in the morning.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 20 to 25 knots turning southwesterly 25 to 30 knots during the morning.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather
Partly cloudy. 90% chance of showers, with possible small hail.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

September Temperature

Cerberus (28km)

  • Lowest 8 September, 2026

    3.3 °C

  • Average September

    12.9 °C

  • Highest 13 September, 2026

    25.6 °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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