Nantucket Harbor Weather Forecast

    • 67
    • 85

    Mostly Cloudy

    • 68
    • 77

    Rain Showers Likely

    • 68
    • 76

    Chance Thunderstorms

    • 71
    • 80

    Mostly Sunny

    • 73
    • 81

    Mostly Sunny

    • 72
    • 80

    Slight Chance Rain Showers

Today 6 Aug Nantucket

Mostly sunny. Near steady temperature in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 6 Aug Nantucket

Mostly cloudy. A chance of Showers after midnight. Humid with Lows in the upper 60s. South Winds around 5 Mph, becoming southeast around 5 Mph after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor Temperature Statistics

August Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 1 August, 2020

    64 °F
  • Average August

    73 °F
  • Highest 1 August, 2020

    81 °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

    51.3 °F
  • Average High 2010–Present

    57 °F
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