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

5 Miles W Napa Co. Airport CA

  • Today

    Today: Sunny, with a high near 68. Breezy, with a north wind 16 to 22 mph, with gusts as high as 32 mph.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 48. North wind 9 to 18 mph, with gusts as high as 38 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. North wind 11 to 14 mph, with gusts as high as 31 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. North northeast wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 25 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Monday

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

    High: 72 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 68. Breezy, with a north wind 16 to 22 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 48. North wind 9 to 18 mph, with gusts as high as 38 mph.
Friday
Sunny, with a high near 73. North wind 11 to 14 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 54. North northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 77. North northeast wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 50.
Monday
Areas of 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 71.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 74.
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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:
12:46 am PST Mar 5, 2026
Forecast Valid:
8am PST Mar 5, 2026-6pm PDT Mar 11, 2026
 
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