Nantucket Harbor - Brant Point Lighthouse Weather Forecast

    • 27
    • 31

    Chance Rain

    • 28
    • 44

    Rain

    • 23
    • 37

    Partly Sunny

    • 31
    • 38

    Chance Rain/Snow

    • 30
    • 43

    Mostly Cloudy

    • 24
    • 36

    Partly Sunny

Today 30 Jan Nantucket

Sunny, brisk and much cooler with Highs in the lower 30s. West Winds 15 to 25 Mph.

Tonight 30 Jan Nantucket

Partly cloudy in the Evening, then mostly cloudy with a chance of rain after midnight. Lows in the upper 20s. Temperature rising into the mid 30s after midnight. West Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 25 Mph. Chance of rain 30 percent.

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Nantucket Harbor - Brant Point Lighthouse Temperature Statistics

January Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 21 January, 2025

    18 °F

  • Average January

    31.2 °F

  • Highest 1 January, 2025

    48.9 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    59.3 °F
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