Kalmus Park Beach Weather Forecast

    • 57
    • 62

    Rain Likely

    • 59
    • 63

    Rain

    • 61
    • 65

    Rain Showers

    • 59
    • 64

    Chance Rain Showers

    • 58
    • 63

    Partly Sunny

    • 60
    • 63

    Partly Sunny

Today 25 Sep Barnstable

Cloudy. A chance of rain in the Morning, then rain likely in the afternoon. Windy. Near steady temperature around 60. Northeast Winds 15 to 25 Mph with Gusts up to 45 Mph, increasing to 25 to 30 Mph with Gusts up to 55 Mph in the afternoon. Chance of rain 70 percent.

Tonight 25 Sep Barnstable

Rain likely. Very windy. Near steady temperature in the upper 50s. Northeast Winds 25 to 35 Mph with Gusts up to 65 Mph. Chance of rain 70 percent.

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Kalmus Park Beach Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 16 September, 2026

    46.9 °F

  • Average September

    65.6 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    59.2 °F
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