Siasconset Weather Forecast

    • 46
    • 58

    Increasing Clouds

    • 49
    • 53

    Slight Chance Rain Showers

    • 45
    • 52

    Slight Chance Rain Showers

    • 45
    • 49

    Mostly Cloudy

    • 41
    • 54

    Chance Rain Showers

    • 36
    • 48

    Slight Chance Rain Showers

Today 15 Apr Nantucket

Mostly sunny. Patchy fog in the morning. Highs in the upper 50s. Southwest Winds 10 to 15 Mph.

Tonight 15 Apr Nantucket

Mostly cloudy with a chance of Showers. Patchy fog. Lows in the mid 40s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siasconset Temperature Statistics

April Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 9 April, 2026

    24.1 °F

  • Average April

    43.5 °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 °F
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