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

45°F

7°C

Humidity 56%
Wind Speed NW 7 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Apr 7:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Increasing clouds, with a high near 52. West wind 9 to 13 mph.

    High: 52 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain before 3am. Mostly cloudy, with a low around 37. West wind 7 to 14 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. North wind 7 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly between 11am and noon. Mostly cloudy, with a high near 50. South wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. East wind 6 to 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52. Northeast wind 6 to 8 mph becoming northwest in the afternoon.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. North wind around 9 mph.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 52. West wind 9 to 13 mph.
Tonight
A slight chance of rain before 3am. Mostly cloudy, with a low around 37. West wind 7 to 14 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 48. North wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 38. Light and variable wind becoming southwest around 6 mph in the evening.
Wednesday
A chance of showers, mainly between 11am and noon. Mostly cloudy, with a high near 50. South wind 8 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 42. East wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 52. Northeast wind 6 to 8 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 51. North wind around 9 mph.
Friday Night
Partly cloudy, with a low around 42. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 50. Northeast wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 42. East wind around 6 mph.
Sunday
A chance of showers. Partly sunny, with a high near 53. East wind 8 to 10 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
2:29 am EDT Apr 20, 2026
Forecast Valid:
8am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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