Siasconset Weather Forecast

    • 41
    • 45

    Chance Rain

    • 35
    • 49

    Rain Likely

    • 38
    • 44

    Partly Sunny

    • 38
    • 45

    Mostly Cloudy

    • 40
    • 48

    Chance Rain

    • 29
    • 47

    Chance Rain

Today 7 Mar Nantucket

Cloudy. Patchy fog. Areas of heavy drizzle this morning. Visibility one quarter mile or less at Times this morning. Highs in the mid 40s. South Winds 10 to 15 Mph.

Tonight 7 Mar Nantucket

Cloudy with a 50 percent chance of rain. Patchy fog. Lows in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 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

    32 °F

  • Highest 4 March, 2026

    46.9 °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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