Portland Airport Weather Forecast

    • 11
    • 16

    Partly cloudy

    • 8
    • 17

    Partly cloudy

    • 9
    • 16

    Showers

    • 10
    • 17

    Showers easing

    • 8
    • 17

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 8
    • 17

    Shower or two

Today 17 May South West

Cloudy. High chance of showers near the Otways, medium chance elsewhere. The chance of a thunderstorm in the east in the afternoon and evening. Winds south to southwesterly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures around 17.

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Portland Airport Temperature Statistics View More

May Temperature

Portland Airport (0km)

  • Lowest 7 May, 2026

    5.9 °C

  • Average May

    14.2 °C

  • Highest 1 May, 2026

    27.3 °C

Climate (2021–Present)

Portland Airport (0km)

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  • Average Low 2021–2026

    9.6 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.1 °C
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