Nantucket Harbor Weather Forecast

    • 62
    • 69

    Increasing Clouds

    • 63
    • 79

    Chance Rain Showers

    • 62
    • 77

    Slight Chance Rain Showers

    • 63
    • 74

    Partly Sunny

    • 63
    • 75

    Partly Sunny

    • 62
    • 75

    Chance Rain Showers

Today 10 Jun Nantucket

Mostly sunny. Highs in the upper 60s. Southwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 10 Jun Nantucket

Partly cloudy. Near steady temperature in the upper 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 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

    58.9 °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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