Nantucket Harbor - Pocomo Head Weather Forecast

    • 27
    • 33

    Breezy

    • 38
    • 42

    Chance Rain

    • 39
    • 50

    Chance Rain

    • 33
    • 44

    Partly Sunny

    • 33
    • 40

    Chance Rain

    • 27
    • 39

    Rain Likely

Today 8 Dec Nantucket

Partly Sunny, then becoming mostly cloudy. Brisk, cooler. Near steady temperature in the upper 20s. North Winds 15 to 25 Mph.

Tonight 8 Dec Nantucket

Mostly cloudy. Lows 17 to 25. North Winds 15 to 20 Mph.

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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

    38.1 °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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