Portsea Surf Beach Weather Forecast

    • 9
    • 15

    Partly cloudy

    • 10
    • 15

    Shower

    • 9
    • 14

    Partly cloudy

    • 8
    • 14

    Partly cloudy

    • 8
    • 15

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 11
    • 17

    Shower

Today 13 Aug Mornington Peninsula

Partly cloudy. Medium chance of light showers, becoming less likely in the evening. Winds westerly 15 to 25 km/h becoming light in the early afternoon then becoming westerly 15 to 25 km/h in the evening.

Port Phillip Local Waters

Wind
Westerly 10 to 15 knots decreasing to about 10 knots in the middle of the day.
Seas
Below 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system developing south of the Bight extends a ridge over Victoria. The high will drift slowly to the southeast over Tasmania over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portsea Surf Beach Temperature Statistics View More

August Temperature

Avalon Airport (39km)

  • Lowest 1 August, 2026

    -0.7 °C

  • Average August

    10.4 °C

  • Highest 2 August, 2026

    18.5 °C

Climate (2021–2026)

Avalon Airport (39km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    20.6 °C
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