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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

34°F

1°C

Humidity 73%
Wind Speed NW 3 mph
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 19 Nov 3:53 am EST
Extended Forecast for

Nantucket MA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 45. West wind around 7 mph becoming north in the afternoon.

    High: 45 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 34. North wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 47. Northeast wind 6 to 8 mph.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 53. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after midnight. Mostly cloudy, with a low around 43. Southwest wind around 10 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 52. North wind 10 to 13 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. North wind around 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. North wind around 10 mph becoming west in the afternoon.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 45. West wind around 7 mph becoming north in the afternoon.
Tonight
Mostly clear, with a low around 34. North wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 47. Northeast wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Friday
Partly sunny, with a high near 53. Light west wind becoming southwest 6 to 11 mph in the morning.
Friday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 43. Southwest wind around 10 mph. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 52. North wind 10 to 13 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 40. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 49. North wind around 10 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 41. Southwest wind around 8 mph.
Monday
Mostly sunny, with a high near 52. West wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 41. Northwest wind 9 to 11 mph.
Tuesday
Mostly sunny, with a high near 50. Northwest wind around 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
4:48 am EST Nov 19, 2025
Forecast Valid:
4am EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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