Nantucket Harbor - Pocomo Head Weather Forecast

    • 65
    • 73

    Chance Rain Showers

    • 67
    • 72

    Mostly Cloudy

    • 68
    • 74

    Mostly Cloudy

    • 68
    • 75

    Chance Rain Showers

    • 68
    • 76

    Chance Rain Showers

    • 68
    • 76

    Mostly Sunny

Today 30 Jul Nantucket

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers in the afternoon. Patchy fog in the morning. Humid with Highs in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 30 Jul Nantucket

Mostly cloudy. Patchy fog. Humid with Lows in the mid 60s. West Winds 5 to 10 Mph, becoming north 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Pocomo Head Temperature Statistics

July Temperature

Nantucket, Nantucket Memorial Airport (4.3 miles)

  • Lowest 24 July, 2026

    55 °F

  • Average July

    69.2 °F

  • Highest 3 July, 2026

    87.1 °F

Climate (2021–2026)

Nantucket, Nantucket Memorial Airport (4.3 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    58.9 °F
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