Keyes Memorial Beach Weather Forecast

    • 65
    • 72

    Mostly Cloudy

    • 65
    • 72

    Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 59
    • 67

    Mostly Sunny

    • 63
    • 69

    Mostly Sunny

    • 64
    • 72

    Partly Sunny

    • 60
    • 72

    Chance Rain Showers

Today 12 Sep Barnstable

Sunny. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Sep Barnstable

Mostly cloudy. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keyes Memorial Beach Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 6 September, 2026

    53.1 °F

  • Average September

    67.7 °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

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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