Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

73°F

23°C

Humidity 57%
Wind Speed SSW 17 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Aug 04:54 PM PDT
Extended Forecast for

4 Miles WSW Yountville CA

  • Tonight

    Tonight: Partly cloudy, with a low around 55. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. South wind 3 to 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 71. South wind around 6 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Southwest wind 3 to 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 56. South wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 71. South wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 55. Southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 53.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Yountville CA
 38.38°N 122.42°W (Elev. 1030 ft)
1:26 pm PDT Aug 11, 2026
5pm PDT Aug 11, 2026-6pm PDT Aug 18, 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