Siasconset Weather Forecast

    • 29
    • 35

    Slight Chance Snow

    • 30
    • 36

    Blizzard

    • 25
    • 36

    Blizzard

    • 24
    • 32

    Slight Chance Snow

    • 33
    • 39

    Chance Rain

    • 30
    • 42

    Chance Snow

Today 21 Feb Nantucket

Cloudy. A slight chance of snow in the morning. Near steady temperature in the mid 30s. North Winds 10 to 15 Mph. Chance of snow 20 percent.

Tonight 21 Feb Nantucket

Cloudy with a chance of rain and snow Showers. Near steady temperature in the mid 30s. North Winds around 10 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

February Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 8 February, 2026

    10.9 °F

  • Average February

    28.5 °F

  • Highest 11 February, 2026

    39.9 °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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