Portsea Surf Beach Weather Forecast

    • 12
    • 16

    Shower

    • 12
    • 16

    Cloudy

    • 12
    • 19

    Cloudy

    • 13
    • 23

    Sunny

    • 14
    • 26

    Sunny

    • 16
    • 26

    Shower

    • 13
    • 18

    Shower

Today 25 Dec Mornington Peninsula

Cloudy. Slight chance of a shower. Winds southwesterly 25 to 40 km/h turning southerly 25 to 35 km/h in the late evening.

Port Phillip Local Waters

Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots in the south early in the morning. Winds turning southerly 15 to 20 knots during the afternoon and evening.
Seas
1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system south of the Bight extends a broad ridge east over Victoria and Bass Strait. The high is expected to slowly move east over Tasmania on Saturday and the Tasman Sea on Sunday while maintaining a ridge over Bass Strait.
Graph Plots Open in Graphs

  • 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

    16.9 °C

  • Highest 18 December, 2025

    39.5 °C

Climate (2020–Present)

Avalon Airport (39km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
Get WillyWeather+ to remove ads