Nantucket Harbor - Pocomo Head Weather Forecast

    • 34
    • 34

    Chance Rain Showers

    • 39
    • 50

    Rain

    • 32
    • 40

    Breezy

    • 34
    • 38

    Chance Rain Showers

    • 31
    • 41

    Chance Rain/Snow

    • 25
    • 36

    Chance Snow Showers

Today 9 Dec Nantucket

Sunny. Near steady temperature in the upper 20s. Northwest Winds 5 to 10 Mph, becoming southwest.

Tonight 9 Dec Nantucket

Mostly cloudy. A chance of rain Showers with a slight chance of snow Showers in the Evening, then a chance of rain Showers after midnight. Lows in the lower 30s. Temperature rising into the lower 40s after midnight. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 40 Mph after midnight. Chance of precipitation 40 percent.

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Nantucket Harbor - Pocomo Head Temperature Statistics

December Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 5 December, 2025

    21 °F

  • Average December

    38.3 °F

  • Highest 2 December, 2025

    52 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    59.3 °F
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