Nantucket Harbor - Island Creek Entrance Weather Forecast

    • 32
    • 47

    Chance Rain Showers

    • 37
    • 41

    Chance Rain

    • 33
    • 43

    Partly Sunny

    • 39
    • 44

    Rain Likely

    • 36
    • 52

    Rain

    • 28
    • 41

    Partly Sunny

Today 12 Mar Nantucket

Rain likely with a slight chance of Thunderstorms this Morning, then rain this afternoon. Highs in the upper 40s. Temperature falling into the upper 30s this afternoon. Southwest Winds 15 to 20 Mph, becoming northwest 10 to 15 Mph this afternoon. Gusts up to 30 Mph. Chance of rain 80 percent.

Tonight 12 Mar Nantucket

Cloudy with rain likely with a chance of snow in the Evening, then mostly clear after midnight. Snow accumulation around an inch. Brisk and much cooler. Near steady temperature in the mid 30s. Northwest Winds 15 to 25 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Island Creek Entrance Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (3.7 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    37.5 °F

  • Highest 9 March, 2026

    53.1 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (3.7 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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