Nantucket Harbor - First Point Weather Forecast

    • 29
    • 47

    Rain Likely

    • 29
    • 37

    Mostly Cloudy

    • 39
    • 44

    Partly Sunny

    • 41
    • 48

    Mostly Cloudy

    • 42
    • 47

    Chance Rain

    • 43
    • 50

    Chance Rain

Today 27 Mar Nantucket

Mostly cloudy. Rain, mainly in the morning. Patchy fog in the morning. Highs in the mid 40s. Northwest Winds 15 to 20 Mph, becoming north in the afternoon. Chance of rain 60 percent.

Tonight 27 Mar Nantucket

Mostly cloudy. Lows around 30. Northeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - First Point Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    39 °F

  • Highest 11 March, 2026

    55 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    59.1 °F
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