Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

61°F

16°C

Humidity 72%
Wind Speed WSW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 10:35 PM PDT
Extended Forecast for

4 Miles NW Yountville CA

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 51. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog after 11pm.  Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 52. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. Light and variable wind.
Sunday Night
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 52. Calm wind.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76.
Tuesday Night
Areas of fog after 11pm. Otherwise, mostly clear, with a low around 51.
Wednesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 52.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Friday
Areas of fog. Otherwise, mostly sunny, with a high near 80.
Friday Night
A slight chance of showers. Mostly clear, with a low around 52.
Saturday
A slight chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Yountville CA
 38.43°N 122.41°W (Elev. 180 ft)
1:26 pm PDT Aug 29, 2026
10pm PDT Aug 29, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database