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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

48°F

9°C

Humidity 46%
Wind Speed W 16 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 27 Nov 11:53 am EST
Extended Forecast for

Siasconset MA

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 47. West wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. West wind 11 to 14 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Breezy, with a west wind 14 to 22 mph, with gusts as high as 39 mph.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Breezy, with a west wind 18 to 23 mph, with gusts as high as 40 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 43. West wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain after 5pm. Cloudy, with a high near 52. South wind 6 to 14 mph. Chance of precipitation is 30%.

    High: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 39. South wind around 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Monday

    Monday: A chance of rain before 2pm. Mostly cloudy, with a high near 47. West wind 11 to 14 mph. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

Detailed Forecast

Thanksgiving Day
Sunny, with a high near 47. West wind 15 to 17 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 36. West wind 11 to 14 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 44. Breezy, with a west wind 14 to 22 mph, with gusts as high as 39 mph.
Friday Night
Mostly clear, with a low around 34. Breezy, with a west wind 18 to 23 mph, with gusts as high as 40 mph.
Saturday
Sunny, with a high near 43. West wind 13 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 35. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Sunday
A chance of rain after 5pm. Cloudy, with a high near 52. South wind 6 to 14 mph. Chance of precipitation is 30%.
Sunday Night
Rain. Low around 39. South wind around 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Monday
A chance of rain before 2pm. Mostly cloudy, with a high near 47. West wind 11 to 14 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 35. North wind around 10 mph.
Tuesday
A chance of rain. Cloudy, with a high near 46. East wind 9 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 35. North wind 9 to 11 mph. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 44. North wind around 11 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Siasconset MA
 41.28°N 70°W (Elev. 49 ft)
Last Update:
10:55 am EST Nov 27, 2025
Forecast Valid:
11am EST Nov 27, 2025-6pm EST Dec 3, 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