Nantucket Weather Forecast

    • 39
    • 51

    Chance Rain

    • 35
    • 46

    Chance Rain

    • 38
    • 46

    Mostly Sunny

    • 36
    • 47

    Slight Chance Rain

    • 36
    • 44

    Chance Rain

    • 41
    • 45

    Chance Rain

Today 25 Mar Nantucket

Mostly sunny. Highs in the lower 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 25 Mar Nantucket

Partly cloudy in the Evening, then mostly cloudy with a chance of rain after midnight. Lows in the upper 30s. Southwest Winds 15 to 20 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 3 March, 2025

    19.9 °F

  • Average March

    40.6 °F

  • Highest 16 March, 2025

    54 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    59.2 °F
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