Nantucket Harbor - Pocomo Head Weather Forecast

    • 39
    • 43

    Chance Rain

    • 37
    • 53

    Rain

    • 27
    • 42

    Chance Rain

    • 31
    • 35

    Mostly Cloudy

    • 37
    • 39

    Mostly Cloudy

    • 37
    • 41

    Chance Rain

Today 15 Mar Nantucket

Mostly sunny. Near steady temperature in the lower 40s. Southeast Winds 10 to 15 Mph.

Tonight 15 Mar Nantucket

Partly cloudy in the Evening, then mostly cloudy with a chance of rain after midnight. Breezy with Lows in the upper 30s. Southeast Winds 15 to 25 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Pocomo Head Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    38.7 °F

  • Highest 11 March, 2026

    55 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (4.3 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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