Barnstable Harbor - Tupper Island Weather Forecast

    • 46
    • 57

    Slight Chance Rain Showers

    • 38
    • 52

    Breezy

    • 35
    • 53

    Sunny

    • 46
    • 57

    Mostly Sunny

    • 48
    • 61

    Mostly Sunny

    • 44
    • 54

    Partly Sunny

    • 45
    • 52

    Partly Sunny

Today 22 Oct Barnstable

Mostly sunny. Highs in the upper 50s.

Tonight 22 Oct Barnstable

Mostly clear and breezy. Lows in the mid 40s. North Winds 15 to 25 Mph with Gusts up to 40 Mph.

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Barnstable Harbor - Tupper Island Temperature Statistics

October Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 19 October, 2026

    34 °F

  • Average October

    57.5 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    59.2 °F
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