Nantucket Harbor - Second Point Weather Forecast

    • 39
    • 49

    Increasing Clouds

    • 27
    • 44

    Windy

    • 30
    • 37

    Breezy

    • 30
    • 41

    Chance Rain/Snow

    • 22
    • 38

    Chance Snow

    • 23
    • 32

    Slight Chance Snow

Today 10 Dec Nantucket

Mostly cloudy and breezy. Highs around 50. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 10 Dec Nantucket

Cloudy with a 40 percent chance of rain. Breezy with Lows in the upper 30s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

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Nantucket Harbor - Second Point Temperature Statistics

December Temperature

Nantucket, Nantucket Memorial Airport (3.1 miles)

  • Lowest 5 December, 2025

    21 °F

  • Average December

    37.3 °F

  • Highest 2 December, 2025

    52 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (3.1 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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