Kalmus Park Beach Weather Forecast

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    • 57

    Rain Showers

    • 49
    • 59

    Chance Rain Showers

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    • 54

    Rain Showers

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    • 55

    Partly Sunny

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    Chance Rain Showers

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    • 56

    Chance Rain Showers

Today 9 May Barnstable

Mostly cloudy. A slight chance of Showers, then a chance of Showers. Highs in the mid 60s. South Winds 10 to 15 Mph. Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 9 May Barnstable

Showers likely with isolated Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog. Lows in the lower 50s. South Winds 10 to 15 Mph. Gusts up to 30 Mph, decreasing to 20 Mph after midnight. Chance of rain 70 percent.

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Kalmus Park Beach Temperature Statistics

May Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 3 May, 2026

    37.9 °F

  • Average May

    53 °F

  • Highest 4 May, 2026

    63 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (2.5 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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