Long Beach Rock Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 58
    • 76

    Slight Chance Thunderstorms

    • 55
    • 73

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

    • 60
    • 75

    Partly Sunny

Today 13 Sep Eastern Plymouth

Sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 13 Sep Eastern Plymouth

Mostly clear. Near steady temperature in the mid 50s. Southwest Winds around 5 Mph.

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Long Beach Rock Temperature Statistics

September Temperature

Boston, Logan International Airport (9.9 miles)

  • Lowest 9 September, 2025

    54 °F

  • Average September

    66.1 °F

  • Highest 6 September, 2025

    86 °F

Climate (2020–Present)

Boston, Logan International Airport (9.9 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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