Nantucket Harbor - Third Point Weather Forecast

    • 35
    • 41

    Mostly Sunny

    • 37
    • 39

    Mostly Sunny

    • 42
    • 45

    Rain Likely

    • 42
    • 47

    Rain

    • 32
    • 46

    Chance Rain

    • 33
    • 37

    Partly Sunny

    • 37
    • 41

    Partly Sunny

Today 7 Jan Nantucket

Cloudy. Patchy fog. Highs in the lower 40s. West Winds 10 to 15 Mph.

Tonight 7 Jan Nantucket

Partly cloudy this Evening, then clearing. Patchy fog this evening. Near steady temperature in the mid 30s. Northwest Winds 10 to 15 Mph.

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Nantucket Harbor - Third Point Temperature Statistics

January Temperature

Nantucket, Nantucket Memorial Airport (3.7 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    26.4 °F

  • Highest 5 January, 2026

    36 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (3.7 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    59.1 °F
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