Portland Airport Weather Forecast

    • 17
    • 26

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 18

    Shower or two

    • 9
    • 17

    Cloudy

    • 9
    • 20

    Shower or two

    • 12
    • 18

    Partly cloudy

    • 10
    • 18

    Mostly sunny

Today 4 Dec South West

Partly cloudy. The chance of a thunderstorm with little or no rainfall. Winds west to northwesterly 25 to 40 km/h turning south to southwesterly 15 to 20 km/h in the evening.

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Portland Airport Temperature Statistics View More

December Temperature

Portland Airport (0km)

  • Lowest 3 December, 2025

    7.2 °C

  • Average December

    12.6 °C

  • Highest 2 December, 2025

    16.8 °C

Climate (2020–Present)

Portland Airport (0km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    18.1 °C
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