East Dennis Weather Forecast

    • 67
    • 80

    Increasing Clouds

    • 69
    • 80

    Partly Sunny

    • 72
    • 82

    Partly Sunny

    • 71
    • 83

    Partly Sunny

    • 71
    • 82

    Partly Sunny

    • 71
    • 82

    Partly Sunny

Today 4 Aug Barnstable

Mostly sunny. Highs around 80. West Winds around 5 Mph, becoming southwest this afternoon.

Tonight 4 Aug Barnstable

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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East Dennis Temperature Statistics

August Temperature

Hyannis, Barnstable Municipal-Boardman Airport (6.8 miles)

  • Lowest 1 August, 2026

    68 °F

  • Average August

    74.4 °F

  • Highest 1 August, 2026

    79 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (6.8 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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