Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

57°F

14°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 01 Feb 11:00 AM PST
Extended Forecast for

2 Miles SE Napa Co. Airport CA

Coastal Flood Advisory February 1, 11:28am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 1, 11:28am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog.  Otherwise, partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: Areas of dense fog before 10am.  Otherwise, sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 64. East northeast wind 5 to 8 mph.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 64. West wind 3 to 8 mph.
Tonight
Patchy fog. Otherwise, partly cloudy, with a low around 42. Light and variable wind.
Monday
Areas of dense fog before 10am. Otherwise, sunny, with a high near 64. Light and variable wind.
Monday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 64. East northeast wind 5 to 8 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 43.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
6:39 am PST Feb 1, 2026
11am PST Feb 1, 2026-6pm PST Feb 7, 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