Portland International Airport Weather Forecast

    • 50
    • 57

    Rain

    • 47
    • 58

    Rain

    • 49
    • 56

    Rain

    • 48
    • 57

    Rain

    • 48
    • 55

    Chance Rain

    • 46
    • 57

    Chance Rain

Today 7 Dec Inner Portland Metro

Rain. Highs in the upper 50s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an inch.

Tonight 7 Dec Inner Portland Metro

A chance of rain in the Evening, then rain after midnight. Lows around 50. South wind 5 to 10 Mph. Chance of rain 80 percent. Rainfall Amounts a tenth to a quarter of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland International Airport Temperature Statistics

December Temperature

Portland, Portland International Airport (0.6 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    44.7 °F

  • Highest 5 December, 2025

    57.9 °F

Climate (2020–Present)

Portland, Portland International Airport (0.6 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.4 °F
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