Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

63°F

17°C

Humidity 77%
Wind Speed SW 11 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Jul 10:35 PM PDT
Extended Forecast for

5 Miles SW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind becoming west southwest around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52. West southwest wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind becoming west southwest around 5 mph.
Saturday
Sunny, with a high near 87. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Clear, with a low around 52. West southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lake Berryessa CA
 38.54°N 122.32°W (Elev. 1070 ft)
10:46 pm PDT Jul 24, 2026
10pm PDT Jul 24, 2026-6pm PDT Jul 31, 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