Keyes Memorial Beach Weather Forecast

    • 64
    • 81

    Becoming Sunny

    • 66
    • 79

    Mostly Sunny

    • 67
    • 78

    Rain Showers

    • 66
    • 79

    Slight Chance Rain Showers

    • 67
    • 78

    Mostly Sunny

    • 67
    • 77

    Partly Sunny

Today 20 Jun Barnstable

Sunny. Highs in the lower 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Jun Barnstable

Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

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Keyes Memorial Beach Temperature Statistics

June Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 2 June, 2026

    37 °F

  • Average June

    66.8 °F

  • Highest 12 June, 2026

    84 °F

Climate (2021–2026)

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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