Nantucket Harbor - Pocomo Head Weather Forecast

    • 34
    • 36

    Breezy

    • 34
    • 44

    Snow

    • 25
    • 37

    Snow

    • 28
    • 30

    Partly Sunny

    • 34
    • 37

    Partly Sunny

    • 41
    • 45

    Mostly Cloudy

Today 12 Dec Nantucket

Sunny, Blustery with Highs in the mid 30s. West Winds 20 to 25 Mph with Gusts up to 40 Mph.

Tonight 12 Dec Nantucket

Mostly clear and brisk. Near steady temperature in the mid 30s. West Winds 15 to 25 Mph. Gusts up to 35 Mph in the evening.

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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

    37.4 °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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