Black Rock Beach Weather Forecast

    • 64
    • 77

    Becoming Sunny

    • 60
    • 69

    Chance Rain Showers

    • 58
    • 65

    Mostly Sunny

    • 61
    • 72

    Mostly Sunny

    • 61
    • 75

    Partly Sunny

    • 66
    • 74

    Chance Rain Showers

    • 61
    • 79

    Chance Rain Showers

Today 4 Sep Eastern Plymouth

Mostly sunny. Near steady temperature in the upper 70s. Northeast Winds around 5 Mph.

Tonight 4 Sep Eastern Plymouth

Partly cloudy this Evening, then clearing. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Real-Time

Black Rock Beach Temperature Statistics

September Temperature

Boston, Logan International Airport (11.2 miles)

  • Lowest 1 September, 2026

    63.6 °F

  • Average September

    67 °F

  • Highest 2 September, 2026

    72 °F

Climate (2021–2026)

Boston, Logan International Airport (11.2 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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