Nantucket Harbor - Bass Point Weather Forecast

    • 38
    • 42

    Breezy

    • 29
    • 46

    Breezy

    • 33
    • 36

    Breezy

    • 35
    • 43

    Rain

    • 34
    • 39

    Mostly Cloudy

    • 38
    • 41

    Chance Rain

    • 36
    • 41

    Chance Rain

Today 20 Dec Nantucket

Mostly sunny and cooler. Near steady temperature in the upper 30s. West Winds around 10 Mph.

Tonight 20 Dec Nantucket

Mostly cloudy and Blustery. Lows in the mid 30s. Southwest Winds 15 to 25 Mph. Gusts up to 40 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Bass Point Temperature Statistics

December Temperature

Nantucket, Nantucket Memorial Airport (5 miles)

  • Lowest 15 December, 2025

    16 °F

  • Average December

    36.3 °F

  • Highest 2 December, 2025

    52 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (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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