Nantucket Harbor - First Point Weather Forecast

    • 25
    • 31

    Snow Likely

    • 27
    • 35

    Chance Snow

    • 34
    • 41

    Rain

    • 29
    • 48

    Rain

    • 27
    • 35

    Mostly Cloudy

    • 27
    • 37

    Slight Chance Snow

    • 20
    • 35

    Slight Chance Snow

Today 26 Dec Nantucket

Cloudy, cooler. Near steady temperature in the upper 20s. North Winds 15 to 20 Mph.

Tonight 26 Dec Nantucket

Snow likely. Total snow accumulation of 1 to 3 Inches. Near steady temperature in the upper 20s. Northeast Winds 5 to 10 Mph. Chance of snow 70 percent.

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Nantucket Harbor - First Point Temperature Statistics

December Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 15 December, 2025

    16 °F

  • Average December

    36.8 °F

  • Highest 19 December, 2025

    55 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    59.2 °F
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