Portland International Jetport Weather Forecast

    • 38
    • 53

    Mostly Cloudy

    • 39
    • 56

    Mostly Cloudy

    • 37
    • 56

    Partly Sunny

    • 39
    • 53

    Chance Rain Showers

    • 42
    • 50

    Rain Showers Likely

    • 41
    • 51

    Rain Showers Likely

Today 25 Apr Coastal Cumberland

Mostly sunny. Highs in the mid 50s. Light and variable Winds.

Tonight 25 Apr Coastal Cumberland

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland International Jetport Temperature Statistics

April Temperature

Portland, Portland International Jetport (0 miles)

  • Lowest 7 April, 2026

    24.7 °F

  • Average April

    44.7 °F

  • Highest 14 April, 2026

    68.6 °F

Climate (2021–Present)

Portland, Portland International Jetport (0 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.2 °F
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