Nantucket Harbor - Nantucket Weather Forecast

    • 40
    • 47

    Patchy Fog

    • 40
    • 46

    Cloudy

    • 30
    • 49

    Chance Rain

    • 35
    • 43

    Chance Rain

    • 33
    • 44

    Partly Sunny

    • 39
    • 46

    Rain Likely

Today 10 Mar Nantucket

Mostly cloudy. Patchy fog. Near steady temperature in the mid 40s. Southwest Winds 10 to 15 Mph.

Tonight 10 Mar Nantucket

Cloudy. Patchy fog. Near steady temperature around 40. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Nantucket Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    36.2 °F

  • Highest 4 March, 2026

    46.9 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    59.1 °F
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