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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

61°F

16°C

Humidity 38%
Wind Speed NW 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 06 Mar 09:15 PM PST
Extended Forecast for

4 Miles NNW Napa CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. West northwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North wind around 17 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 52. North northwest wind around 9 mph.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 78. North wind around 17 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 52. North northwest wind around 9 mph.
Sunday
Sunny, with a high near 79. Light and variable wind.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50. Calm wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
Last Update:
12:25 pm PST Mar 6, 2026
Forecast Valid:
9pm PST Mar 6, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation