Nantucket Harbor - Wyers Point Weather Forecast

    • 60
    • 70

    Mostly Sunny

    • 60
    • 64

    Mostly Sunny

    • 61
    • 64

    Partly Sunny

    • 65
    • 68

    Mostly Sunny

    • 66
    • 70

    Partly Sunny

    • 63
    • 69

    Slight Chance Rain Showers

Today 19 Sep Nantucket

Sunny. Highs in the lower 70s. Northwest Winds around 10 Mph, becoming north in the afternoon.

Tonight 19 Sep Nantucket

Partly cloudy in the Evening, then clearing. Cooler with Lows in the mid 50s. Northeast Winds 5 to 10 Mph, increasing to 15 to 20 Mph after midnight.

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Nantucket Harbor - Wyers Point Temperature Statistics

September Temperature

Nantucket, Nantucket Memorial Airport (5.6 miles)

  • Lowest 13 September, 2025

    48 °F

  • Average September

    64.1 °F

  • Highest 6 September, 2025

    75.9 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (5.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    59.4 °F
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