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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

66°F

19°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Mar 10:00 PM PDT
Extended Forecast for

7 Miles WSW Napa Co. Airport CA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South southwest wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. West wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. West southwest wind 3 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. South southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 80. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 49. West wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49. West southwest wind 3 to 8 mph.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Napa Co. Airport CA
 38.17°N 122.37°W (Elev. 3 ft)
Last Update:
8:21 pm PDT Mar 20, 2026
Forecast Valid:
10pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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