Nantucket Harbor - Pocomo Head Weather Forecast

    • 23
    • 43

    Breezy

    • 33
    • 33

    Mostly Cloudy

    • 36
    • 44

    Chance Rain Showers

    • 27
    • 43

    Mostly Cloudy

    • 25
    • 33

    Mostly Cloudy

    • 33
    • 38

    Chance Rain Showers

Today 4 Dec Nantucket

Partly sunny. A slight chance of rain Showers in the afternoon. Blustery with Highs in the lower 40s. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

Tonight 4 Dec Nantucket

Partly cloudy in the Evening, then becoming mostly clear. Windy, cooler with Lows in the lower 20s. Northwest Winds 20 to 30 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 1 December, 2025

    30 °F

  • Average December

    40.1 °F

  • Highest 1 December, 2025

    46.9 °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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