Barnstable Harbor Weather Forecast

    • 49
    • 72

    Chance Rain Showers

    • 37
    • 57

    Mostly Sunny

    • 50
    • 62

    Mostly Sunny

    • 53
    • 65

    Chance Rain Showers

    • 53
    • 63

    Chance Rain Showers

    • 53
    • 64

    Chance Rain Showers

Today 8 Oct Barnstable

Showers with isolated Thunderstorms. Patchy fog. Highs in the lower 70s. Temperature falling into the lower 60s late. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 8 Oct Barnstable

Mostly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Patchy fog in the evening. Much cooler. Less humid with Lows in the upper 40s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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Barnstable Harbor Temperature Statistics

October Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 2 October, 2025

    37.9 °F

  • Average October

    61.2 °F

  • Highest 5 October, 2025

    79 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    59.9 °F
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