Grand Beach Weather Forecast

    • 64
    • 67

    Decreasing Clouds

    • 51
    • 78

    Chance Rain Showers

    • 41
    • 67

    Mostly Sunny

    • 47
    • 62

    Partly Sunny

    • 40
    • 65

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

Today 1 Oct Coastal Cumberland

Mostly sunny. Highs in the mid 60s.

Tonight 1 Oct Coastal Cumberland

Partly cloudy. Lows in the mid 60s. Southwest Winds around 10 Mph.

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Grand Beach Temperature Statistics

October Temperature

Portland, Portland International Jetport (7.5 miles)

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  • Average October

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Climate (2021–2026)

Portland, Portland International Jetport (7.5 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
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