Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

53°F

12°C

Humidity 83%
Wind Speed NE 13 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 19 Oct 5:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: A slight chance of showers after 2am.  Mostly cloudy, with a low around 51. Northeast wind 15 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 20%.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 43 mph.

    High: 60 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Breezy, with a northeast wind 23 to 25 mph, with gusts as high as 43 mph.

    Low: 50 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A chance of showers, mainly after 11am.  Partly sunny, with a high near 57. Windy, with a northeast wind 23 to 26 mph, with gusts as high as 38 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 51. Breezy, with a north wind 21 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers, mainly before 10am.  Partly sunny, with a high near 59. Breezy, with a north wind 17 to 23 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Breezy, with a north wind 13 to 22 mph.

    Low: 49 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 54. Breezy, with a north wind 20 to 23 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. North wind 14 to 17 mph.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers after 2am. Mostly cloudy, with a low around 51. Northeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 60. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 43 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Breezy, with a northeast wind 23 to 25 mph, with gusts as high as 43 mph.
Wednesday
A chance of showers, mainly after 11am. Partly sunny, with a high near 57. Windy, with a northeast wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. Breezy, with a north wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Thursday
A chance of showers, mainly before 10am. Partly sunny, with a high near 59. Breezy, with a north wind 17 to 23 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 49. Breezy, with a north wind 13 to 22 mph.
Friday
Sunny, with a high near 54. Breezy, with a north wind 20 to 23 mph.
Friday Night
Partly cloudy, with a low around 50. North wind 14 to 17 mph.
Saturday
Sunny, with a high near 54. North wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 51. West wind around 5 mph.
Sunday
Sunny, with a high near 57. West wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 54. Southwest wind around 7 mph.
Monday
Sunny, with a high near 59. West wind 9 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
6:29 pm EDT Oct 19, 2026
6pm EDT Oct 19, 2026-6pm EDT Oct 26, 2026
 
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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