Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

58°F

14°C

Humidity 83%
Wind Speed SE 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Mar 10:54 PM PDT
Extended Forecast for

5 Miles W Napa Co. Airport CA

Heat Advisory March 18, 11:08pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 11:08pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Saturday Night

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

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 90. Light and variable wind.
Friday Night
Partly cloudy, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 47.
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)
9:21 pm PDT Mar 18, 2026
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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