Nantucket Harbor - Abrams Point Weather Forecast

    • 65
    • 74

    Rain Showers

    • 56
    • 73

    Rain Showers Likely

    • 50
    • 66

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

    • 60
    • 71

    Slight Chance Rain Showers

    • 57
    • 73

    Chance Rain Showers

Today 13 Sep Nantucket

Showers with a slight chance of Thunderstorms this Morning, then Showers with a chance of Thunderstorms this afternoon. Patchy fog. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible. Highs in the lower 70s. South Winds 10 to 15 Mph. Chance of rain near 100 percent.

Tonight 13 Sep Nantucket

Mostly cloudy with a 40 percent chance of Showers. Patchy fog. Humid. Near steady temperature in the upper 60s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Abrams Point Temperature Statistics

September Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 6 September, 2026

    55 °F

  • Average September

    67.2 °F

  • Highest 4 September, 2026

    78.1 °F

Climate (2021–2026)

Nantucket, Nantucket Memorial Airport (2.5 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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