Nantucket Harbor - Children's Beach Weather Forecast

    • 30
    • 47

    Rain

    • 36
    • 41

    Partly Sunny

    • 32
    • 44

    Breezy

    • 37
    • 43

    Breezy

    • 33
    • 51

    Rain

    • 26
    • 40

    Slight Chance Rain

Today 12 Mar Nantucket

Cloudy with a 50 percent chance of Showers. Patchy fog. Breezy with Highs in the upper 40s. Temperature falling into the lower 40s in the afternoon. Southwest Winds 15 to 25 Mph, becoming west 15 to 20 Mph in the afternoon.

Tonight 12 Mar Nantucket

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Breezy. Near steady temperature in the upper 40s. South Winds 15 to 25 Mph. Chance of rain 50 percent.

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Nantucket Harbor - Children's Beach Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (2.5 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 (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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