Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

58°F

14°C

Humidity 90%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 07:54 AM PDT
Extended Forecast for

8 Miles WSW Napa Co. Airport CA

  • Today

    Today: Mostly sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. South southwest wind 3 to 7 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. West wind 5 to 9 mph becoming south in the morning.

    High: 75 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 55. West southwest wind 5 to 9 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. Southwest wind 5 to 10 mph.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 56. South southwest wind 3 to 7 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. West wind 5 to 9 mph becoming south in the morning.
Monday Night
Increasing clouds, with a low around 55. West southwest wind 5 to 9 mph.
Tuesday
Partly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Napa Co. Airport CA
 38.16°N 122.42°W (Elev. 3 ft)
1:46 am PDT Aug 23, 2026
8am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database