Portland International Jetport Weather Forecast

    • 7
    • 22

    Becoming Sunny

    • 24
    • 34

    Wintry Mix

    • 20
    • 41

    Rain

    • 12
    • 27

    Partly Sunny

    • 16
    • 29

    Slight Chance Snow

    • 9
    • 25

    Chance Snow

    • 8
    • 22

    Partly Sunny

Today 27 Dec Coastal Cumberland

Cloudy in the Morning, then becoming partly sunny. Highs in the lower 20s. North Winds around 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 1 below.

Tonight 27 Dec Coastal Cumberland

Partly cloudy this Afternoon, then clearing. Lows 5 to 10 above. North Winds around 10 Mph with Gusts up to 20 Mph this Afternoon, becoming light and variable.

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Portland International Jetport Temperature Statistics

December Temperature

Portland, Portland International Jetport (0 miles)

  • Lowest 9 December, 2025

    -0.9 °F

  • Average December

    26.7 °F

  • Highest 19 December, 2025

    53.1 °F

Climate (2020–Present)

Portland, Portland International Jetport (0 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    57.3 °F
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