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

Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow. Read More >

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Partly Cloudy

39°F

4°C

Humidity 76%
Wind Speed NW 13 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 20 Nov 11:53 pm EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Mostly clear, with a low around 34. Northwest wind around 14 mph, with gusts as high as 25 mph.

    Mostly Clear

    Low: 34 °F

  • Wednesday

    Wednesday: Increasing clouds, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

    High: 44 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 23. Windy, with a northwest wind 24 to 26 mph, with gusts as high as 38 mph.

    Mostly Clear
    and Windy

    Low: 23 °F

  • Thanksgiving
    Day

    Thanksgiving Day: A slight chance of snow before 4pm. Sunny, with a high near 27. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Slight Chance
    Snow and
    Blustery

    High: 27 °F

  • Thursday
    Night

    Thursday Night: A slight chance of snow before 10pm. Partly cloudy, with a low around 20. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Blustery.
    Slight Chance
    Snow then
    Partly Cloudy

    Low: 20 °F

  • Friday

    Friday: Mostly sunny, with a high near 34.

    Mostly Sunny

    High: 34 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 29.

    Mostly Clear

    Low: 29 °F

  • Saturday

    Saturday: A chance of showers after 5pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    Showers

    High: 49 °F

  • Saturday
    Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Chance Rain

    Low: 45 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Northwest wind around 14 mph, with gusts as high as 25 mph.
Wednesday
Increasing clouds, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 23. Windy, with a northwest wind 24 to 26 mph, with gusts as high as 38 mph.
Thanksgiving Day
A slight chance of snow before 4pm. Sunny, with a high near 27. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow before 10pm. Partly cloudy, with a low around 20. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 29.
Saturday
A chance of showers after 5pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 50%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Tuesday
A chance of rain. Partly sunny, with a high near 50. Breezy. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
12:02 am EST Nov 21, 2018
Forecast Valid:
12am EST Nov 21, 2018-6pm EST Nov 26, 2018
 
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