Siasconset Weather Forecast

    • 36
    • 45

    Rain

    • 23
    • 42

    Rain/Snow

    • 15
    • 29

    Partly Sunny

    • 13
    • 24

    Chance Snow

    • 16
    • 24

    Slight Chance Snow

    • 25
    • 34

    Slight Chance Snow

Today 18 Jan Nantucket

Cloudy. A chance of rain Showers in the afternoon. Patchy fog in the afternoon. Highs in the mid 40s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 18 Jan Nantucket

Cloudy. Patchy fog. Rain in the evening. Not as cool with Lows in the upper 30s. South Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

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Siasconset Temperature Statistics

January Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 7 January, 2025

    19 °F

  • Average January

    31.9 °F

  • Highest 1 January, 2025

    48.9 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    59.3 °F
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