Long Island Weather Forecast

    • 59
    • 68

    Mostly Cloudy

    • 57
    • 64

    Chance Rain

    • 61
    • 71

    Partly Sunny

    • 66
    • 77

    Partly Sunny

    • 63
    • 79

    Chance Thunderstorms

    • 62
    • 75

    Partly Sunny

Today 6 Jul Coastal Cumberland

Mostly cloudy. Highs in the mid 70s. Light and variable Winds.

Tonight 6 Jul Coastal Cumberland

Mostly cloudy. A slight chance of Showers after midnight. Patchy fog after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Real-Time

Long Island Temperature Statistics

July Temperature

Portland, Portland International Jetport (7.5 miles)

  • Lowest 1 July, 2026

    67.6 °F

  • Average July

    81.9 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

Portland, Portland International Jetport (7.5 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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