Black Rock Beach Weather Forecast

    • 67
    • 86

    Slight Chance Thunderstorms

    • 63
    • 78

    Partly Sunny

    • 66
    • 81

    Mostly Sunny

    • 65
    • 89

    Slight Chance Rain Showers

    • 60
    • 74

    Partly Sunny

    • 61
    • 74

    Slight Chance Rain Showers

    • 61
    • 77

    Slight Chance Rain Showers

Today 14 Aug Eastern Plymouth

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 14 Aug Eastern Plymouth

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 60s. South Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

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Black Rock Beach Temperature Statistics

August Temperature

Boston, Logan International Airport (11.2 miles)

  • Lowest 1 August, 2025

    60.7 °F

  • Average August

    71.7 °F

  • Highest 11 August, 2025

    90.6 °F

Climate (2020–Present)

Boston, Logan International Airport (11.2 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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