Barnstable Harbor - Tupper Island Weather Forecast

    • 64
    • 75

    Slight Chance Rain Showers

    • 65
    • 78

    Mostly Sunny

    • 65
    • 78

    Partly Sunny

    • 65
    • 76

    Partly Sunny

    • 68
    • 78

    Chance Rain Showers

    • 69
    • 80

    Chance Rain

Today 23 Jul Barnstable

Mostly sunny. Near steady temperature in the lower 70s. North Winds 5 to 10 Mph.

Tonight 23 Jul Barnstable

Mostly clear. Lows around 60. South Winds around 5 Mph in the Evening, becoming light and variable.

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Barnstable Harbor - Tupper Island Temperature Statistics

July Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 20 July, 2026

    53.1 °F

  • Average July

    73.1 °F

  • Highest 4 July, 2026

    93.9 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (3.7 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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