Hyannis Port Weather Forecast

    • 24
    • 40

    Gradual Clearing

    • 27
    • 35

    Partly Sunny

    • 32
    • 39

    Partly Sunny

    • 33
    • 43

    Chance Rain Showers

    • 30
    • 42

    Chance Rain/Snow

    • 29
    • 42

    Chance Rain Showers

Today 17 Mar Barnstable

Partly sunny with a chance of rain in the Morning, then sunny in the afternoon. Patchy fog in the morning. Breezy, cooler with Highs in the mid 40s. Southwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 35 Mph in the afternoon. Chance of rain 50 percent.

Tonight 17 Mar Barnstable

Partly cloudy in the Evening, then clearing. Cooler with Lows in the mid 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Hyannis Port Temperature Statistics

March Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 2 March, 2026

    12.9 °F

  • Average March

    38.5 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    59.5 °F
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