Nantucket Weather Forecast

    • 62
    • 78

    Partly Sunny

    • 61
    • 73

    Mostly Sunny

    • 62
    • 74

    Partly Sunny

    • 64
    • 72

    Slight Chance Rain Showers

    • 65
    • 75

    Mostly Sunny

    • 65
    • 77

    Mostly Sunny

Today 19 Jun Nantucket

Mostly cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Patchy fog in the morning. Humid with Highs in the mid 70s. Southwest Winds 15 to 20 Mph. Chance of rain 20 percent.

Tonight 19 Jun Nantucket

Mostly cloudy with a 20 percent chance of Showers. Patchy fog. Near steady temperature in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Temperature Statistics

June Temperature

Nantucket, Nantucket Memorial Airport (2.5 miles)

  • Lowest 3 June, 2025

    50.6 °F
  • Average June

    61 °F
  • Highest 5 June, 2025

    71.7 °F

Climate (2020–Present)

Nantucket, Nantucket Memorial Airport (2.5 miles)

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  • Average Low 2020–2025

    47.7 °F
  • Average 2020–2025

    53.6 °F
  • Average High 2020–2025

    59.3 °F
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