Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity 87%
Wind Speed WSW 16 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Mar 08:20 PM PST
Extended Forecast for

Yountville CA

  • Tonight

    Tonight: A 20 percent chance of rain after 10pm.  Widespread fog, mainly after 1am.  Otherwise, mostly cloudy, with a low around 49. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Slight Chance
    Rain and Fog

  • Monday

    Monday: Widespread fog, mainly before 9am.  Otherwise, mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Widespread fog, mainly after 1am.  Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 66 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 46. Light west wind.

    Low: 46 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 10pm. Widespread fog, mainly after 1am. Otherwise, mostly cloudy, with a low around 49. West southwest wind around 5 mph becoming calm in the evening.
Monday
Widespread fog, mainly before 9am. Otherwise, mostly sunny, with a high near 65. Calm wind.
Monday Night
Widespread fog, mainly after 1am. Otherwise, partly cloudy, with a low around 46. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 46. Light west wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.4°N 122.34°W (Elev. 184 ft)
12:26 pm PST Mar 1, 2026
8pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database