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

46°F

8°C

Humidity 93%
Wind Speed NNE 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 22 Mar 05:35 AM PDT
Extended Forecast for

2 Miles N Napa Co. Airport CA

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Southwest wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. West southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

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

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 49. Southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. West southwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Napa Co. Airport CA
 38.25°N 122.27°W (Elev. 59 ft)
Last Update:
2:27 am PDT Mar 22, 2026
Forecast Valid:
5am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation