Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 87%
Wind Speed W 10 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 05 Aug 11:55 PM PDT
Extended Forecast for

Yountville CA

  • Overnight

    Overnight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, increasing clouds, with a low around 54. Light south wind.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 94. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Light southwest wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 53. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 54. Light south wind.
Friday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 94. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. Light southwest wind.
Saturday
Mostly sunny and hot, with a high near 96.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 88.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 54.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 88.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 54.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.4°N 122.34°W (Elev. 184 ft)
11:32 pm PDT Aug 5, 2026
12am PDT Aug 6, 2026-6pm PDT Aug 12, 2026
 
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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