Portarlington Weather Forecast

    • 15
    • 23

    Shower or two

    • 13
    • 20

    Rain

    • 10
    • 16

    Showers

    • 9
    • 16

    Showers

    • 8
    • 16

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 10
    • 17

    Shower or two

Today 30 Sep Geelong and Surf Coast

Cloudy. Medium chance of showers, most likely in the late afternoon and evening. Winds northerly 25 to 35 km/h decreasing to 15 to 25 km/h in the middle of the day then becoming north to northwesterly and light in the late evening.

Port Phillip Local Waters

Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the morning and early afternoon. Winds decreasing to 10 to 15 knots in the evening.
Seas
1 to 2 metres, decreasing to 1 metre by early evening.
Weather
Cloudy.
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Portarlington Temperature Statistics View More

September Temperature

Avalon Airport (17km)

  • Lowest 18 September, 2026

    0.7 °C

  • Average September

    12.9 °C

  • Highest 20 September, 2026

    30.4 °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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