Siasconset Weather Forecast

    • 52
    • 62

    Mostly Sunny

    • 58
    • 61

    Rain Showers

    • 51
    • 64

    Partly Sunny

    • 52
    • 58

    Sunny

    • 56
    • 59

    Mostly Sunny

    • 57
    • 61

    Mostly Sunny

Today 3 Oct Nantucket

Sunny. Near steady temperature in the lower 60s. Northeast Winds 15 to 20 Mph.

Tonight 3 Oct Nantucket

Mostly clear. Near steady temperature in the upper 50s. Northeast Winds around 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

October Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 1 October, 2026

    59 °F

  • Average October

    63.6 °F

  • Highest 1 October, 2026

    70 °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

    58.8 °F
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