Hyannis Port Weather Forecast

    • 27
    • 33

    Chance Snow

    • 32
    • 37

    Snow

    • 28
    • 39

    Chance Snow Showers

    • 32
    • 42

    Chance Rain

    • 31
    • 40

    Chance Snow

    • 30
    • 37

    Chance Snow

Today 22 Dec Barnstable

Sunny, cooler with Highs in the mid 30s. Northwest Winds 15 to 20 Mph. Gusts up to 40 Mph, decreasing to 30 Mph in the afternoon.

Tonight 22 Dec Barnstable

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature around 30. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hyannis Port Temperature Statistics

December Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 15 December, 2025

    12.9 °F

  • Average December

    34.1 °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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