Siasconset Weather Forecast

    • 39
    • 53

    Rain

    • 30
    • 46

    Rain

    • 28
    • 36

    Mostly Cloudy

    • 38
    • 43

    Partly Sunny

    • 39
    • 47

    Slight Chance Rain

    • 38
    • 45

    Chance Rain

Today 26 Mar Nantucket

Partly sunny and breezy. Near steady temperature in the upper 40s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 26 Mar Nantucket

Rain likely. Patchy fog. Breezy with Lows in the upper 30s. Southwest Winds 15 to 25 Mph. Chance of rain 70 percent.

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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

    39 °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 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    59.1 °F
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