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

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 28 Mar 06:00 AM PDT
Extended Forecast for

5 Miles W Napa Co. Airport CA

  • Today

    Today: Patchy fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 49. Light southwest wind.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

  • Tuesday Night

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

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Patchy fog between 4am and 5am. Otherwise, mostly clear, with a low around 49. Light southwest wind.
Sunday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 72. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 67.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 65.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Sunny, with a high near 65.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Napa Co. Airport CA
 38.21°N 122.38°W (Elev. 3 ft)
Last Update:
2:41 am PDT Mar 28, 2026
Forecast Valid:
6am PDT Mar 28, 2026-6pm PDT Apr 3, 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