Nantucket Harbor - First Point Weather Forecast

    • 36
    • 44

    Rain

    • 30
    • 41

    Rain Likely

    • 33
    • 38

    Partly Sunny

    • 36
    • 42

    Slight Chance Rain Showers

    • 34
    • 44

    Chance Rain

    • 27
    • 37

    Chance Snow

Today 10 Jan Nantucket

Cloudy with a 50 percent chance of rain. Highs in the lower 40s. East Winds 5 to 10 Mph.

Tonight 10 Jan Nantucket

Rain. Lows in the upper 30s. East Winds 10 to 15 Mph, becoming south after midnight. Chance of rain near 100 percent.

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Nantucket Harbor - First Point Temperature Statistics

January Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    30.8 °F

  • Highest 7 January, 2026

    45 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    59.2 °F
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