Siasconset Weather Forecast

    • 42
    • 55

    Sunny

    • 46
    • 59

    Sunny

    • 49
    • 58

    Mostly Sunny

    • 45
    • 52

    Mostly Sunny

    • 48
    • 51

    Partly Sunny

    • 54
    • 57

    Mostly Sunny

    • 52
    • 59

    Partly Sunny

Today 24 Oct Nantucket

Partly cloudy. Lows in the lower 50s. Highs in the upper 50s.

Tonight 24 Oct Nantucket

Clear. Lows in the lower 40s. West Winds around 5 Mph.

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  • Temperature Real-Time

Siasconset Temperature Statistics

October Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 18 October, 2026

    39.9 °F

  • Average October

    57.9 °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

    46.6 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    58.7 °F
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