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

76°F

24°C

Humidity 53%
Wind Speed SSW 13 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 05 Aug 02:54 PM PDT
Extended Forecast for

4 Miles SSE Yountville CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 54. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 55. Light southwest wind.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: 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 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 56.

    Low: 56 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 54. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 55. Light southwest wind.
Friday
Partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 96.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 56.
Monday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 87.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 56.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 86.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Yountville CA
 38.35°N 122.33°W (Elev. 105 ft)
1:26 pm PDT Aug 5, 2026
3pm PDT Aug 5, 2026-6pm PDT Aug 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database