Barnstable Harbor - Great Thatch Island Weather Forecast

    • 34
    • 56

    Sunny

    • 41
    • 60

    Sunny

    • 45
    • 62

    Mostly Sunny

    • 41
    • 53

    Mostly Sunny

    • 44
    • 52

    Partly Sunny

    • 50
    • 58

    Partly Sunny

Today 24 Oct Barnstable

Sunny. Highs in the mid 50s. North Winds around 5 Mph.

Tonight 24 Oct Barnstable

Clear. Patchy frost after midnight. Lows in the mid 30s. Light and variable Winds.

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Barnstable Harbor - Great Thatch Island Temperature Statistics

October Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 19 October, 2026

    34 °F

  • Average October

    57.3 °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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