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.

Overcast

36°F

2°C

Humidity 89%
Wind Speed N 20 G 28 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 23 Mar 9:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. North wind 11 to 14 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 40. North wind 7 to 13 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Southwest wind 7 to 11 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Southwest wind 9 to 11 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 3am. Cloudy, with a low around 40. South wind around 11 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Southwest wind 13 to 15 mph.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 5am. Mostly cloudy, with a low around 40. Southwest wind 16 to 18 mph. Chance of precipitation is 60%.

    Low: 40 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 48. Southwest wind around 16 mph becoming north in the afternoon. Chance of precipitation is 50%.

    High: 48 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 27. North wind around 14 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. North wind 11 to 14 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 40. North wind 7 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 34. Southwest wind 7 to 11 mph.
Wednesday
Mostly sunny, with a high near 46. Southwest wind 9 to 11 mph.
Wednesday Night
A slight chance of rain after 3am. Cloudy, with a low around 40. South wind around 11 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 49. Southwest wind 13 to 15 mph.
Thursday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 40. Southwest wind 16 to 18 mph. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly cloudy, with a high near 48. Southwest wind around 16 mph becoming north in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 27. North wind around 14 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 37. North wind 9 to 11 mph.
Saturday Night
Partly cloudy, with a low around 29. West wind around 9 mph.
Sunday
Sunny, with a high near 43. West wind 11 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 36. Southwest wind around 11 mph.
Monday
Mostly sunny, with a high near 45. West wind 10 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
9:11 pm EDT Mar 23, 2026
Forecast Valid:
10pm EDT Mar 23, 2026-6pm EDT Mar 30, 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