Keyes Memorial Beach Weather Forecast

    • 63
    • 70

    Slight Chance Rain Showers

    • 63
    • 73

    Breezy

    • 65
    • 78

    Mostly Sunny

    • 66
    • 76

    Mostly Cloudy

    • 65
    • 75

    Chance Rain Showers

    • 61
    • 76

    Mostly Sunny

Today 21 Aug Barnstable

Mostly cloudy. A chance of Showers in the morning. Highs in the lower 70s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 21 Aug Barnstable

Showers likely. Near steady temperature in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Keyes Memorial Beach Temperature Statistics

August Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 9 August, 2025

    49.6 °F

  • Average August

    69.1 °F

  • Highest 12 August, 2025

    89.7 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    59.9 °F
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