Nantucket Harbor - Pocomo Head Weather Forecast

    • 40
    • 51

    Mostly Cloudy

    • 24
    • 42

    Chance Snow

    • 32
    • 38

    Partly Sunny

    • 34
    • 41

    Slight Chance Rain

    • 28
    • 38

    Chance Snow

    • 25
    • 34

    Chance Snow

Today 14 Jan Nantucket

Mostly cloudy. Near steady temperature in the mid 40s. Southwest Winds 15 to 20 Mph.

Tonight 14 Jan Nantucket

Mostly cloudy. Near steady temperature in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Nantucket Harbor - Pocomo Head Temperature Statistics

January Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    33.7 °F

  • Highest 9 January, 2026

    48 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (4.3 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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