Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed E 6 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Jan 07:00 PM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory January 29, 07:24pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 29, 07:24pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 41 °F

    Patchy Fog

  • Friday

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

    High: 64 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 64. Light east northeast wind.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 63.

    High: 63 °F

    Areas Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Friday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 64. Light and variable wind.
Friday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 64. Light east northeast wind.
Saturday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 63.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Patchy fog before 1am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 42.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 42.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 42.
Thursday
Patchy fog. Otherwise, sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
12:27 pm PST Jan 29, 2026
7pm PST Jan 29, 2026-6pm PST Feb 5, 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