West Dennis Beach Weather Forecast

    • 62
    • 74

    Sunny

    • 63
    • 75

    Partly Sunny

    • 68
    • 75

    Mostly Cloudy

    • 64
    • 78

    Chance Rain Showers

    • 62
    • 73

    Mostly Sunny

    • 64
    • 72

    Mostly Sunny

Today 7 Sep Barnstable

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph this morning.

Tonight 7 Sep Barnstable

Mostly clear. Lows in the lower 60s. West Winds around 5 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 2 September, 2026

    59 °F

  • Average September

    67.3 °F

  • Highest 4 September, 2026

    79 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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