Siasconset Weather Forecast

    • 54
    • 63

    Chance Rain Showers

    • 47
    • 62

    Chance Rain Showers

    • 49
    • 55

    Rain Showers Likely

    • 50
    • 59

    Rain Showers Likely

    • 53
    • 61

    Partly Sunny

    • 55
    • 66

    Rain Showers Likely

    • 53
    • 64

    Rain Showers Likely

Today 14 Oct Nantucket

Showers likely. Patchy fog. Breezy. Near steady temperature in the lower 60s. Northeast Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 14 Oct Nantucket

Mostly cloudy. A chance of Showers, mainly this evening. Patchy fog this evening. Breezy with Lows in the mid 50s. North Winds 15 to 25 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

October Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 3 October, 2025

    41 °F

  • Average October

    59.5 °F

  • Highest 4 October, 2025

    72 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    59.4 °F
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