National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

51°F

11°C

Humidity 86%
Wind Speed S 13 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Wind Chill46°F (8°C)
Last update 16 Apr 5:53 pm EDT
Extended Forecast for

2 Miles WNW Nantucket MA

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 47. South wind 8 to 14 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of rain between 10am and 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 58. West wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog before 9pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44. Northeast wind around 7 mph.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. Northeast wind around 10 mph.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 45. East wind around 6 mph becoming south after midnight.

    Low: 45 °F

    Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after noon. Cloudy, with a high near 55. South wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 55 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Northwest wind around 15 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 47. West wind around 14 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Northwest wind 11 to 13 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 47. South wind 8 to 14 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of rain between 10am and 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 58. West wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Patchy fog before 9pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44. Northeast wind around 7 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. Northeast wind around 10 mph.
Saturday Night
Cloudy, with a low around 45. East wind around 6 mph becoming south after midnight.
Sunday
A chance of showers, mainly after noon. Cloudy, with a high near 55. South wind 10 to 15 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Northwest wind around 15 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 47. West wind around 14 mph.
Monday Night
Partly cloudy, with a low around 35. Northwest wind 11 to 13 mph.
Tuesday
Sunny, with a high near 47. Northwest wind around 10 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind around 15 mph.
Wednesday Night
Partly cloudy, with a low around 43. Southwest wind around 10 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 52. Northwest wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Nantucket MA
 41.28°N 70.14°W (Elev. 49 ft)
Last Update:
5:51 pm EDT Apr 16, 2026
Forecast Valid:
6pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation