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

48°F

9°C

Humidity 87%
Wind Speed NNE 4 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 30 Jan 10:35 PM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory January 30, 10:56pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 30, 10:56pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Saturday

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

    High: 64 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 42. East northeast wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 10pm, then patchy fog after 1am.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 66.

    High: 66 °F

    Areas Fog
    then Sunny

Detailed Forecast

Tonight
Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Saturday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 64. Light and variable wind.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 42. East northeast wind around 6 mph becoming calm in the evening.
Sunday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Sunny, with a high near 66.
Monday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 42.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 66.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 42.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 67.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Thursday
Patchy fog. Otherwise, sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
12:26 pm PST Jan 30, 2026
10pm PST Jan 30, 2026-6pm PST Feb 6, 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