Hyannis Breakwater Weather Forecast

    • 27
    • 29

    Snow Likely

    • 26
    • 33

    Chance Snow

    • 35
    • 39

    Rain

    • 29
    • 46

    Rain

    • 27
    • 33

    Breezy

    • 24
    • 35

    Breezy

Today 26 Dec Barnstable

Mostly cloudy and cooler. Near steady temperature in the mid 20s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 26 Dec Barnstable

A chance of snow in the Evening, then snow likely after midnight. Total snow accumulation of 1 to 3 Inches. Near steady temperature in the mid 20s. Northeast Winds 5 to 10 Mph. Chance of snow 70 percent.

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Hyannis Breakwater Temperature Statistics

December Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 15 December, 2025

    12.9 °F

  • Average December

    34.2 °F

  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    59.7 °F
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