Tuckernuck Island Weather Forecast

    • 68
    • 72

    Rain Showers Likely

    • 54
    • 72

    Chance Rain Showers

    • 52
    • 63

    Partly Sunny

    • 62
    • 68

    Rain Showers Likely

    • 60
    • 66

    Slight Chance Rain Showers

    • 60
    • 64

    Breezy

Today 17 Sep Nantucket

Sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 17 Sep Nantucket

Mostly cloudy. A chance of Showers after midnight. Humid with Lows in the mid 60s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph after midnight. Chance of rain 50 percent.

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Tuckernuck Island Temperature Statistics

September Temperature

Nantucket, Nantucket Memorial Airport (10.6 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    66.6 °F

  • Highest 4 September, 2026

    78.1 °F

Climate (2021–2026)

Nantucket, Nantucket Memorial Airport (10.6 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    58.8 °F
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