Portsea Surf Beach Weather Forecast

    • 9
    • 15

    Shower

    • 8
    • 19

    Partly cloudy

    • 11
    • 19

    Shower

    • 7
    • 14

    Shower

    • 10
    • 16

    Shower

    • 9
    • 14

    Shower

Today 17 Sep Mornington Peninsula

Partly cloudy. Medium chance of showers, most likely in the morning. Winds northwesterly 25 to 40 km/h tending westerly in the early morning then becoming light in the late evening.

Port Phillip Local Waters

Wind
Northwesterly 15 to 20 knots, reaching up to 25 knots in the south early in the morning. Winds turning westerly during the morning.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portsea Surf Beach Temperature Statistics View More

September Temperature

Avalon Airport (39km)

  • Lowest 6 September, 2025

    -1.4 °C

  • Average September

    12.8 °C

  • Highest 15 September, 2025

    25.7 °C

Climate (2020–Present)

Avalon Airport (39km)

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

  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
Get WillyWeather+ to remove ads