Nantucket Harbor - First Point Weather Forecast

    • 33
    • 38

    Patchy Fog

    • 37
    • 46

    Rain Likely

    • 37
    • 44

    Rain

    • 30
    • 44

    Rain Likely

    • 32
    • 38

    Partly Sunny

    • 36
    • 41

    Partly Sunny

    • 34
    • 43

    Chance Rain

Today 8 Jan Nantucket

Mostly sunny. Near steady temperature in the upper 30s. Northwest Winds 5 to 10 Mph.

Tonight 8 Jan Nantucket

Mostly clear. Patchy fog after midnight. Visibility one quarter mile or less at Times after midnight. Near steady temperature in the mid 30s. West Winds around 5 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - First Point Temperature Statistics

January Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    28.4 °F

  • Highest 6 January, 2026

    42.1 °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

    59.1 °F
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