Siasconset Weather Forecast

    • 26
    • 42

    Breezy

    • 29
    • 34

    Partly Sunny

    • 34
    • 38

    Partly Sunny

    • 36
    • 43

    Chance Rain

    • 35
    • 43

    Chance Rain

    • 32
    • 44

    Chance Rain

Today 17 Mar Nantucket

Mostly sunny and Windy, cooler. Near steady temperature in the upper 30s. West Winds 20 to 30 Mph with Gusts up to 40 Mph.

Tonight 17 Mar Nantucket

Partly cloudy and Brisk, cooler with Lows in the mid 20s. West Winds 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

March Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    38.9 °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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