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

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

46°F

8°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 05 Mar 08:00 AM PST
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Sunny, with a high near 67. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 48. North northwest wind 14 to 17 mph, with gusts as high as 34 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Breezy, with a north wind 18 to 22 mph, with gusts as high as 37 mph.

    High: 72 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North wind 15 to 17 mph, with gusts as high as 33 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. North northeast wind 16 to 21 mph, with gusts as high as 34 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 1am and 3am. Otherwise, mostly clear, with a low around 49.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 31 mph.
Tonight
Clear, with a low around 48. North northwest wind 14 to 17 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 72. Breezy, with a north wind 18 to 22 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 54. North wind 15 to 17 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 75. North northeast wind 16 to 21 mph, with gusts as high as 34 mph.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 77.
Sunday Night
Patchy fog between 1am and 3am. Otherwise, mostly clear, with a low around 49.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
12:46 am PST Mar 5, 2026
Forecast Valid:
8am PST Mar 5, 2026-6pm PDT Mar 11, 2026
 
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