Portland International Jetport Weather Forecast

    • 21
    • 33

    Becoming Sunny

    • 32
    • 43

    Partly Sunny

    • 37
    • 56

    Mostly Cloudy

    • 40
    • 48

    Rain Likely

    • 31
    • 63

    Chance Rain

    • 26
    • 43

    Slight Chance Snow

Today 28 Mar Coastal Cumberland

Partly sunny. Highs in the mid 30s. Light and variable Winds.

Tonight 28 Mar Coastal Cumberland

Partly cloudy in the Evening, then clearing. Isolated snow Showers. Lows around 20. Light and variable Winds. Chance of snow 20 percent.

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Portland International Jetport Temperature Statistics

March Temperature

Portland, Portland International Jetport (0 miles)

  • Lowest 2 March, 2026

    4.6 °F

  • Average March

    34.8 °F

  • Highest 10 March, 2026

    67.6 °F

Climate (2021–Present)

Portland, Portland International Jetport (0 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.2 °F
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