Siasconset Weather Forecast

    • 26
    • 31

    Mostly Cloudy

    • 14
    • 32

    Snow Likely

    • 12
    • 19

    Slight Chance Snow

    • 17
    • 24

    Mostly Sunny

    • 25
    • 30

    Partly Sunny

    • 29
    • 34

    Chance Rain

Today 6 Feb Nantucket

Mostly cloudy. Near steady temperature around 30. North Winds 10 to 15 Mph.

Tonight 6 Feb Nantucket

Cloudy. Near steady temperature in the upper 20s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

February Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 2 February, 2026

    19 °F
  • Average February

    26.3 °F
  • Highest 3 February, 2026

    30.9 °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

    53.3 °F
  • Average High 2021–2026

    59.1 °F
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