Madaket Harbor Weather Forecast

    • 64
    • 75

    Mostly Sunny

    • 68
    • 75

    Mostly Sunny

    • 70
    • 76

    Rain Showers

    • 68
    • 77

    Rain Showers Likely

    • 68
    • 73

    Chance Rain Showers

    • 68
    • 73

    Partly Sunny

    • 68
    • 74

    Partly Sunny

Today 19 Jul Nantucket

Sunny. Near steady temperature in the lower 70s. West Winds around 10 Mph.

Tonight 19 Jul Nantucket

Mostly clear. Lows in the mid 60s. West Winds 5 to 10 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Madaket Harbor Temperature Statistics

July Temperature

Nantucket, Nantucket Memorial Airport (7.5 miles)

  • Lowest 12 July, 2026

    55.9 °F

  • Average July

    70.2 °F

  • Highest 3 July, 2026

    87.1 °F

Climate (2021–2026)

Nantucket, Nantucket Memorial Airport (7.5 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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