Nantucket Harbor - Bass Point Weather Forecast

    • 52
    • 60

    Chance Rain Showers

    • 53
    • 59

    Partly Sunny

    • 53
    • 59

    Rain Showers Likely

    • 54
    • 60

    Rain Showers Likely

    • 55
    • 62

    Chance Rain Showers

    • 55
    • 64

    Slight Chance Rain Showers

Today 21 May Nantucket

Mostly cloudy with a 40 percent chance of Showers. Highs in the mid 60s. Temperature falling into the upper 50s in the afternoon. Northeast Winds 10 to 15 Mph.

Tonight 21 May Nantucket

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 50s. North Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nantucket Harbor - Bass Point Temperature Statistics

May Temperature

Nantucket, Nantucket Memorial Airport (5 miles)

  • Lowest 2 May, 2026

    44.1 °F

  • Average May

    52.7 °F

  • Highest 17 May, 2026

    69.1 °F

Climate (2021–Present)

Nantucket, Nantucket Memorial Airport (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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