Siasconset Weather Forecast

    • 28
    • 42

    Becoming Sunny

    • 40
    • 48

    Mostly Sunny

    • 42
    • 48

    Partly Sunny

    • 40
    • 49

    Mostly Sunny

    • 43
    • 47

    Partly Sunny

    • 47
    • 52

    Mostly Cloudy

Today 8 Apr Nantucket

Sunny. Highs in the lower 40s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 8 Apr Nantucket

Clear, cold with Lows in the upper 20s. Northeast Winds 10 to 15 Mph, becoming east around 5 Mph after midnight.

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Siasconset Temperature Statistics

April Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 2 April, 2026

    39 °F

  • Average April

    45.5 °F

  • Highest 4 April, 2026

    55.9 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    59.1 °F
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