Nantucket Harbor Weather Forecast

    • 56
    • 68

    Increasing Clouds

    • 62
    • 75

    Rain Showers

    • 61
    • 79

    Chance Rain Showers

    • 59
    • 75

    Partly Sunny

    • 63
    • 75

    Slight Chance Rain Showers

    • 61
    • 76

    Chance Rain Showers

Today 9 Jun Nantucket

Sunny. Highs in the upper 60s. Southwest Winds 15 to 20 Mph.

Tonight 9 Jun Nantucket

Mostly clear. Near steady temperature in the mid 50s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor Temperature Statistics

June Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    58.1 °F

  • Highest 5 June, 2026

    75.9 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    59 °F
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