Portsea Surf Beach Weather Forecast

    • 15
    • 28

    Sunny

    • 17
    • 26

    Shower

    • 15
    • 19

    Cloudy

    • 13
    • 20

    Shower

    • 13
    • 19

    Cloudy

    • 13
    • 18

    Shower

    • 12
    • 19

    Cloudy

Today 18 Dec Mornington Peninsula

Sunny. Light winds becoming north to northwesterly 15 to 25 km/h in the early morning then shifting south to southeasterly 20 to 30 km/h in the middle of the day.

Port Phillip Local Waters

Wind
Variable below 10 knots becoming southerly 10 to 15 knots in the middle of the day then becoming variable below 10 knots in the evening.
Seas
Below 1 metre.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portsea Surf Beach Temperature Statistics View More

December Temperature

Avalon Airport (39km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    16.3 °C

  • Highest 4 December, 2025

    34.8 °C

Climate (2020–Present)

Avalon Airport (39km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
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