Nantucket Harbor - Pocomo Head Weather Forecast

    • 30
    • 32

    Breezy

    • 31
    • 34

    Snow Likely

    • 23
    • 32

    Snow Likely

    • 28
    • 34

    Mostly Cloudy

    • 25
    • 31

    Partly Sunny

    • 28
    • 32

    Partly Sunny

    • 32
    • 37

    Chance Rain

Today 30 Dec Nantucket

Mostly cloudy and windy. Much cooler. Near steady temperature in the lower 30s. West Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 30 Dec Nantucket

Mostly cloudy and very windy. Near steady temperature in the upper 20s. West Winds 25 to 35 Mph with Gusts up to 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Pocomo Head Temperature Statistics

December Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 15 December, 2025

    16 °F

  • Average December

    35.8 °F

  • Highest 19 December, 2025

    55 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    59.2 °F
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