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

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

haze

66°F

19°C

Humidity 68%
Wind Speed WSW 6 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Jun 10:35 AM PDT
Extended Forecast for

6 Miles ENE Yountville CA

  • Today

    Today: Sunny, with a high near 81. North wind 5 to 7 mph becoming southwest in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. North wind 5 to 7 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 76. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 77. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 74.
Thursday Night
Clear, with a low around 54.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 57.
Independence Day
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Yountville CA
 38.44°N 122.24°W (Elev. 1798 ft)
Last Update:
7:52 am PDT Jun 29, 2026
Forecast Valid:
10am PDT Jun 29, 2026-6pm PDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation