Buttermilk Bay Weather Forecast

    • 49
    • 76

    Rain Showers

    • 47
    • 67

    Mostly Sunny

    • 58
    • 73

    Mostly Sunny

    • 62
    • 77

    Chance Rain Showers

    • 53
    • 75

    Partly Sunny

    • 58
    • 71

    Chance Rain Showers

Today 14 Sep Barnstable

Mostly cloudy with a slight chance of Showers this Morning, then sunny this afternoon. Highs in the mid 70s. Northwest Winds 10 to 15 Mph, becoming north this afternoon. Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 14 Sep Barnstable

Clear, cooler with Lows in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Buttermilk Bay Temperature Statistics

September Temperature

Otis Air National Guard Base (8.7 miles)

  • Lowest 6 September, 2026

    55.4 °F

  • Average September

    67.3 °F

  • Highest 4 September, 2026

    80.6 °F

Climate (2021–2026)

Otis Air National Guard Base (8.7 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59.1 °F
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