Portarlington Weather Forecast

    • 12
    • 17

    Showers. Windy

    • 9
    • 16

    Possible shower

    • 8
    • 15

    Shower or two clearing

    • 6
    • 16

    Partly cloudy

    • 8
    • 13

    Cloudy

    • 7
    • 15

    Partly cloudy

    • 6
    • 17

    Cloud clearing

Today 5 Sep Geelong and Surf Coast

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds. Damaging winds possible on the surf coast. Winds northerly 25 to 40 km/h turning westerly 30 to 45 km/h in the middle of the day then decreasing to 25 to 35 km/h in the late afternoon.

Port Phillip Local Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds turning westerly 20 to 25 knots in the middle of the day.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the late morning and afternoon with possible squalls.
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  • Temperature Forecast Bureau of Meteorology

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Portarlington Temperature Statistics View More

September Temperature

Avalon Airport (17km)

  • Lowest 1 September, 2026

    4 °C

  • Average September

    12.3 °C

  • Highest 1 September, 2026

    21.8 °C

Climate (2021–2026)

Avalon Airport (17km)

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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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