Siasconset Weather Forecast

    • 48
    • 59

    Increasing Clouds

    • 59
    • 62

    Rain Showers

    • 57
    • 62

    Chance Rain Showers

    • 56
    • 63

    Rain Showers Likely

    • 53
    • 61

    Chance Rain Showers

    • 53
    • 58

    Partly Sunny

Today 10 Oct Nantucket

Mostly sunny. Near steady temperature in the upper 50s. North Winds 5 to 10 Mph.

Tonight 10 Oct Nantucket

Partly cloudy. Lows in the upper 40s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

October Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 7 October, 2026

    48 °F

  • Average October

    61 °F

  • Highest 2 October, 2026

    71.1 °F

Climate (2021–2026)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    58.7 °F
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