Grand Beach Weather Forecast

    • 56
    • 76

    Mostly Sunny

    • 61
    • 79

    Sunny

    • 62
    • 82

    Mostly Sunny

    • 60
    • 76

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 62
    • 78

    Mostly Sunny

Today 2 Aug Coastal Cumberland

Mostly sunny. Highs in the upper 70s. South Winds around 10 Mph.

Tonight 2 Aug Coastal Cumberland

Mostly clear. Lows in the mid 50s. Southwest Winds around 10 Mph in the Evening, becoming light and variable.

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Grand Beach Temperature Statistics

August Temperature

Portland, Portland International Jetport (7.5 miles)

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  • Average August

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Climate (2020–Present)

Portland, Portland International Jetport (7.5 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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