Nantucket Harbor - First Point Weather Forecast

    • 62
    • 79

    Mostly Sunny

    • 62
    • 78

    Slight Chance Rain Showers

    • 70
    • 81

    Rain Showers Likely

    • 67
    • 82

    Chance Rain Showers

    • 67
    • 77

    Chance Rain Showers

    • 69
    • 78

    Chance Rain

Today 16 Jul Nantucket

Sunny, smoke. Near steady temperature in the mid 70s. Southwest Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 16 Jul Nantucket

Partly cloudy this Evening, then clearing. Smoke this evening. Lows in the lower 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - First Point Temperature Statistics

July Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 12 July, 2026

    55.9 °F

  • Average July

    69.8 °F

  • Highest 3 July, 2026

    87.1 °F

Climate (2021–2026)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    59 °F
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