Grand Beach Weather Forecast

    • 70
    • 96

    Increasing Clouds

    • 66
    • 89

    Chance Rain Showers

    • 61
    • 82

    Partly Sunny

    • 60
    • 74

    Mostly Cloudy

    • 60
    • 74

    Slight Chance Rain Showers

    • 62
    • 75

    Partly Sunny

Today 3 Jul Coastal Cumberland

Mostly sunny. Hot with Highs in the mid 90s. West Winds around 10 Mph. Heat index Values up to 104.

Tonight 3 Jul Coastal Cumberland

Mostly clear in the Evening, then partly cloudy with isolated Showers after midnight. Humid with Lows around 70. West Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 20 percent. Heat index Values in the upper 90s early in the evening.

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Grand Beach Temperature Statistics

July Temperature

Portland, Portland International Jetport (7.5 miles)

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  • Average July

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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

    48.6 °F

  • Average High 2021–2026

    57.1 °F
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