Portland Airport Weather Forecast

    • 9
    • 14

    Morning shower or two

    • 4
    • 14

    Partly cloudy

    • 8
    • 13

    Cloudy

    • 8
    • 14

    Partly cloudy

    • 5
    • 16

    Partly cloudy

    • 7
    • 20

    Mostly sunny

    • 12
    • 20

    Shower or two

Today 7 Sep South West

Cloudy. High chance of showers near the Otways, medium chance elsewhere. Winds west to southwesterly 15 to 25 km/h turning southerly 20 to 30 km/h in the morning. Overnight temperatures falling to around 7 with daytime temperatures reaching around 14.

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Portland Airport Temperature Statistics View More

September Temperature

Portland Airport (0km)

  • Lowest 4 September, 2026

    7.6 °C

  • Average September

    12.2 °C

  • Highest 1 September, 2026

    18.2 °C

Climate (2021–2026)

Portland Airport (0km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.2 °C
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