Nantucket Harbor - Five Fingered Point Weather Forecast

    • 68
    • 76

    Rain Showers

    • 57
    • 74

    Sunny

    • 54
    • 71

    Sunny

    • 67
    • 72

    Mostly Sunny

    • 70
    • 75

    Mostly Sunny

    • 70
    • 77

    Chance Rain Showers

Today 20 Jul Nantucket

Showers with a chance of Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Locally heavy rainfall possible this morning. Highs in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 20 Jul Nantucket

Mostly cloudy with a slight chance of Showers with isolated Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the upper 60s. Southwest Winds around 10 Mph, becoming northwest after midnight. Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Nantucket Harbor - Five Fingered Point Temperature Statistics

July Temperature

Nantucket, Nantucket Memorial Airport (3.7 miles)

  • Lowest 5 July, 2025

    54.6 °F

  • Average July

    70.3 °F

  • Highest 18 July, 2025

    81 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (3.7 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    59.4 °F
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