Portland Airport Weather Forecast

    • 10
    • 19

    Partly cloudy

    • 10
    • 18

    Showers

    • 9
    • 17

    Cloudy

    • 9
    • 20

    Shower or two

    • 11
    • 18

    Partly cloudy

    • 10
    • 18

    Mostly sunny

    • 10
    • 18

    Mostly sunny

Today 5 Dec South West

Partly cloudy. The chance of fog early this morning. Slight chance of a shower in the north later tonight. Near zero chance of rain elsewhere. Light winds becoming west to northwesterly 15 to 20 km/h in the middle of the day then tending west to southwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 22 to 30.

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Portland Airport Temperature Statistics View More

December Temperature

Portland Airport (0km)

  • Lowest 3 December, 2025

    7.2 °C

  • Average December

    15.9 °C

  • Highest 3 December, 2025

    25.9 °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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