Portarlington Weather Forecast

    • 15
    • 27

    Becoming windy. Cloudy

    • 11
    • 18

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 12
    • 25

    Mostly sunny

    • 14
    • 30

    Possible shower

    • 14
    • 21

    Partly cloudy

    • 13
    • 21

    Partly cloudy

Today 30 Dec Geelong and Surf Coast

Cloudy. Slight chance of a shower in the late afternoon and evening. Winds southwesterly 15 to 25 km/h increasing to 25 to 40 km/h in the middle of the day then turning southerly 20 to 30 km/h during the afternoon and evening.

Port Phillip Local Waters

Wind
West to southwesterly below 10 knots tending south to southwesterly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots in the early afternoon. Squalls possible with south to southwesterly change.
Seas
Below 0.5 metres, increasing to 1 to 1.5 metres around midday.
Weather
Cloudy.
Weather Situation
A trough will cross the coast during Tuesday. A new ridge of high pressure will develop across the south on Wednesday, persisting across the coast into Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Portarlington Temperature Statistics View More

December Temperature

Avalon Airport (17km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    16.7 °C

  • Highest 18 December, 2025

    39.5 °C

Climate (2020–Present)

Avalon Airport (17km)

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