Katama County Beach Weather Forecast

    • 27
    • 31

    Slight Chance Snow

    • 35
    • 41

    Slight Chance Snow

Today 15 Dec Dukes

Mostly sunny and Blustery. Highs around 30. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 15 Dec Dukes

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Katama County Beach Temperature Statistics

December Temperature

Marthas Vineyard Airport (6.8 miles)

  • Lowest 5 December, 2025

    10.9 °F

  • Average December

    35.6 °F

  • Highest 10 December, 2025

    51.1 °F

Climate (2020–Present)

Marthas Vineyard Airport (6.8 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    60.8 °F
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