Black Beach Weather Forecast

    • 62
    • 73

    Becoming Sunny

    • 54
    • 76

    Mostly Sunny

    • 53
    • 67

    Mostly Sunny

    • 56
    • 66

    Partly Sunny

    • 61
    • 70

    Partly Sunny

    • 62
    • 73

    Partly Sunny

Today 18 Sep Barnstable

Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then partly sunny this afternoon. Patchy fog. Highs in the mid 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Sep Barnstable

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Black Beach Temperature Statistics

September Temperature

Otis Air National Guard Base (7.5 miles)

  • Lowest 13 September, 2025

    44.6 °F

  • Average September

    64 °F

  • Highest 6 September, 2025

    82.4 °F

Climate (2020–Present)

Otis Air National Guard Base (7.5 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.4 °F
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