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 SW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 11:35 PM PDT
Extended Forecast for

Sonoma CA

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, sunny, with a high near 83. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight.  Otherwise, increasing clouds, with a low around 49. Light and variable wind.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 76. Light south wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 49. Light and variable wind.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. Light south wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 50. West southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
11:27 pm PDT Aug 29, 2026
11pm PDT Aug 29, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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