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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Mostly Cloudy

44°F

7°C

Humidity 55%
Wind Speed N 9 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Nov 1:53 pm EST
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Northwest wind around 15 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind around 15 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 51. Northwest wind 10 to 13 mph becoming west in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Rain, mainly after 8pm. Low around 42. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain Likely
    then Rain and
    Breezy

  • Sunday

    Sunday: A chance of rain, mainly before 10am. Partly sunny, with a high near 56. Breezy, with a west wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Breezy, with a west wind 23 to 25 mph, with gusts as high as 39 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 46. Breezy, with a west wind 21 to 25 mph, with gusts as high as 37 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Breezy, with a west wind 17 to 22 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48. West wind 15 to 17 mph.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Northwest wind around 15 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind around 15 mph.
Saturday
Increasing clouds, with a high near 51. Northwest wind 10 to 13 mph becoming west in the afternoon.
Saturday Night
Rain, mainly after 8pm. Low around 42. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain, mainly before 10am. Partly sunny, with a high near 56. Breezy, with a west wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 36. Breezy, with a west wind 23 to 25 mph, with gusts as high as 39 mph.
Monday
Mostly sunny, with a high near 46. Breezy, with a west wind 21 to 25 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 36. Breezy, with a west wind 17 to 22 mph.
Tuesday
Sunny, with a high near 48. West wind 15 to 17 mph.
Tuesday Night
Partly cloudy, with a low around 37. Northwest wind 9 to 13 mph.
Wednesday
Sunny, with a high near 48. Northwest wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 39. North wind around 7 mph.
Thursday
Mostly sunny, with a high near 50. North wind 7 to 9 mph becoming south in the afternoon.
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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:
12:57 pm EST Nov 14, 2025
Forecast Valid:
2pm EST Nov 14, 2025-6pm EST Nov 20, 2025
 
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Additional Resources

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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