West Dennis Beach Weather Forecast

    • 54
    • 76

    Rain Showers

    • 49
    • 67

    Mostly Sunny

    • 61
    • 70

    Mostly Sunny

    • 63
    • 73

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

    • 60
    • 70

    Partly Sunny

Today 14 Sep Barnstable

Mostly cloudy with isolated 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

West Dennis Beach Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 12 September, 2026

    52 °F

  • Average September

    67.4 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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