Kalmus Park Beach Weather Forecast

    • 61
    • 69

    Partly Sunny

    • 62
    • 68

    Dense Fog

    • 63
    • 67

    Dense Fog

    • 65
    • 70

    Dense Fog

    • 59
    • 72

    Partly Sunny

    • 57
    • 64

    Partly Sunny

Today 15 Sep Barnstable

Mostly sunny. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Barnstable

Partly cloudy. Near steady temperature around 60. Northwest Winds around 5 Mph.

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Kalmus Park Beach Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 9 September, 2025

    48 °F

  • Average September

    64.4 °F

  • Highest 6 September, 2025

    77 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    59.9 °F
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