Portland International Jetport Weather Forecast

    • 60
    • 83

    Rain Showers

    • 58
    • 77

    Mostly Sunny

    • 63
    • 82

    Mostly Cloudy

    • 69
    • 88

    Partly Sunny

    • 68
    • 86

    Chance Rain Showers

    • 64
    • 81

    Chance Rain Showers

    • 62
    • 78

    Chance Rain Showers

Today 3 Jul Coastal Cumberland

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the mid 80s. Southwest Winds around 10 Mph. Chance of rain 60 percent.

Tonight 3 Jul Coastal Cumberland

Partly cloudy with scattered Showers this Evening, then mostly clear after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 40 percent.

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Portland International Jetport Temperature Statistics

July Temperature

Portland, Portland International Jetport (0 miles)

  • Lowest 1 July, 2025

    63 °F

  • Average July

    73.5 °F

  • Highest 1 July, 2025

    82.9 °F

Climate (2020–Present)

Portland, Portland International Jetport (0 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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