Nantucket Harbor - Second Point Weather Forecast

    • 41
    • 57

    Slight Chance Rain Showers

    • 30
    • 49

    Chance Rain Showers

    • 35
    • 43

    Chance Rain

    • 32
    • 43

    Partly Sunny

    • 37
    • 44

    Rain Likely

    • 32
    • 51

    Rain

Today 11 Mar Nantucket

Partly sunny. Patchy fog. Near steady temperature in the mid 40s. South Winds 10 to 15 Mph.

Tonight 11 Mar Nantucket

Cloudy. Patchy fog in the Evening, then patchy dense fog after midnight. A slight chance of Showers after midnight. Visibility one quarter mile or less at Times after midnight. Breezy. Near steady temperature in the mid 40s. South Winds 15 to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Second Point Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (3.1 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    37 °F

  • Highest 9 March, 2026

    53.1 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (3.1 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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