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 >

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

2 Miles SE 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: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 62. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

  • Thursday Night

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

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °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 62. Calm wind becoming east southeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 38. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. Calm wind.
Thursday
Sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 63.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Sonoma CA
 38.27°N 122.42°W (Elev. 66 ft)
12:26 am PST Jan 13, 2026
6am PST Jan 13, 2026-6pm PST Jan 19, 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