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

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

79°F

26°C

Humidity 34%
Wind Speed WSW 6 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Mar 03:35 PM PDT
Extended Forecast for

4 Miles NNW Napa CA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy dense fog before 9am. Otherwise, sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Patchy Dense
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46. Calm wind.
Saturday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 80. Light and variable wind.
Saturday Night
Mostly clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 73.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47.
Tuesday
A slight chance of rain. Partly sunny, with a high near 66.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
Rain likely, mainly after 11am. Partly sunny, with a high near 63.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
Last Update:
1:31 pm PDT Mar 27, 2026
Forecast Valid:
3pm PDT Mar 27, 2026-6pm PDT Apr 3, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation