Yarmouth Weather Forecast

    • 27
    • 55

    Rain

    • 32
    • 41

    Partly Sunny

    • 23
    • 46

    Partly Sunny

    • 22
    • 32

    Partly Sunny

    • 29
    • 41

    Chance Rain

    • 27
    • 40

    Partly Sunny

Today 19 Dec Barnstable

Rain in the Morning, then rain with isolated Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall in the afternoon. Very windy with Highs in the lower 50s. South Winds 25 to 35 Mph with Gusts up to 60 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Barnstable

Cloudy with a 30 percent chance of rain. Not as cool. Near steady temperature in the upper 40s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Yarmouth Temperature Statistics

December Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 15 December, 2025

    12.9 °F

  • Average December

    32.5 °F

  • Highest 2 December, 2025

    50 °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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