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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Jan 06:20 AM PST
Extended Forecast for

6 Miles SSE Sonoma CA

Cold Weather Advisory until January 13, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 13, 09:00am

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Today

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 61. Calm wind becoming east northeast around 6 mph in the morning.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Light northeast wind.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. East wind 5 to 8 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 60. Calm wind becoming southeast around 6 mph in the morning.
Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 39. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 61. Calm wind becoming east northeast around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 42. Light northeast wind.
Thursday
Sunny, with a high near 62. East wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Sonoma CA
 38.2°N 122.43°W (Elev. 3 ft)
Last Update:
12:26 am PST Jan 13, 2026
Forecast Valid:
6am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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