Portland Airport Weather Forecast

    • 9
    • 14

    Possible shower

    • 7
    • 13

    Showers. Windy

    • 10
    • 16

    Showers

    • 10
    • 14

    Showers easing

    • 9
    • 13

    Showers

    • 8
    • 15

    Showers

    • 10
    • 16

    Shower or two

Today 31 May South West

Partly cloudy. Medium chance of showers near the Otways, slight chance elsewhere. Winds westerly 20 to 30 km/h turning northwesterly 15 to 20 km/h in the evening.

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  • Temperature Forecast Bureau of Meteorology

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Portland Airport Temperature Statistics View More

May Temperature

Portland Airport (0km)

  • Lowest 22 May, 2026

    3.4 °C

  • Average May

    13.2 °C

  • Highest 1 May, 2026

    27.3 °C

Climate (2021–Present)

Portland Airport (0km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.1 °C
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