Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

72°F

22°C

Humidity 60%
Wind Speed SSW 16 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Jul 04:30 PM PDT
Extended Forecast for

2 Miles SSW Lake Berryessa CA

  • Tonight

    Tonight: Clear, with a low around 56. West wind 7 to 14 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Southwest wind 5 to 11 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. West southwest wind 9 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Southwest wind 7 to 14 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West southwest wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 56. West wind 7 to 14 mph.
Saturday
Sunny, with a high near 83. Southwest wind 5 to 11 mph.
Saturday Night
Clear, with a low around 57. West southwest wind 9 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 82. Southwest wind 7 to 14 mph.
Sunday Night
Mostly clear, with a low around 57. West southwest wind 14 to 16 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake Berryessa CA
 38.54°N 122.26°W (Elev. 1824 ft)
1:26 pm PDT Jul 18, 2025
4pm PDT Jul 18, 2025-6pm PDT Jul 25, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database