West Dennis Beach Weather Forecast

    • 44
    • 61

    Chance Rain Showers

    • 42
    • 60

    Partly Sunny

    • 51
    • 63

    Rain Showers Likely

    • 54
    • 58

    Rain Showers Likely

    • 54
    • 67

    Chance Rain Showers

    • 55
    • 69

    Partly Sunny

    • 54
    • 71

    Mostly Sunny

Today 21 May Barnstable

Mostly cloudy and much cooler. Near steady temperature in the upper 50s. Northeast Winds 5 to 10 Mph.

Tonight 21 May Barnstable

Mostly cloudy. Cooler with Lows in the mid 40s. Southeast Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Dennis Beach Temperature Statistics

May Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 3 May, 2026

    37.9 °F

  • Average May

    55.3 °F

  • Highest 17 May, 2026

    78.1 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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