Gunnamatta Beach Weather Forecast

    • 9
    • 16

    Shower

    • 9
    • 15

    Shower

    • 8
    • 15

    Partly cloudy

    • 8
    • 15

    Cloudy

    • 7
    • 14

    Cloudy

    • 6
    • 14

    Partly cloudy

    • 6
    • 16

    Partly cloudy

Today 13 Jul Mornington Peninsula

Partly cloudy. Very high chance of showers, most likely during this afternoon and evening. Winds northwesterly 25 to 40 km/h.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Northwesterly 25 to 30 knots, reaching up to 35 knots offshore in the late morning and afternoon. Winds turning westerly during the afternoon and evening.
Seas
2 to 3 metres, increasing to 3 to 4 metres in the east.
1st Swell
Westerly 3 to 4 metres, increasing to 4 to 6 metres in the far west.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm offshore.
Weather Situation
A cool westerly airstream extends over Victoria with embedded cold fronts and troughs to cross southern Victoria at times until Tuesday. The westerly airstream weakens on Wednesday as a high pressure system over the Bight extends a ridge over Victoria, before the high centre moves over the state during Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gunnamatta Beach Temperature Statistics View More

July Temperature

Cerberus (28km)

  • Lowest 7 July, 2026

    1.5 °C

  • Average July

    9.4 °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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