Nantucket Harbor - Brant Point Lighthouse Weather Forecast

    • 69
    • 80

    Rain Showers

    • 67
    • 72

    Chance Rain Showers

    • 66
    • 73

    Chance Rain Showers

    • 67
    • 74

    Slight Chance Rain Showers

    • 67
    • 77

    Chance Thunderstorms

    • 66
    • 75

    Partly Sunny

    • 67
    • 76

    Mostly Sunny

Today 18 Aug Nantucket

Cloudy. Showers likely with a chance of Thunderstorms, then a chance of Showers with a slight chance of Thunderstorms. Patchy fog. Lows in the upper 60s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph. Chance of rain 70 percent.

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Nantucket Harbor - Brant Point Lighthouse Temperature Statistics

August Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 1 August, 2018

    64.9 °F

  • Average August

    73 °F

  • Highest 16 August, 2018

    86 °F

Climate (2010–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2010–Present

    45.6 °F

  • Average 2010–Present

    51.5 °F

  • Average High 2010–Present

    57.2 °F
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