Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

67°F

19°C

Humidity 72%
Wind Speed S 11 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 58°F (14°C)
Visibility 5.00 mi
Last update 21 Jun 06:54 PM PDT
Extended Forecast for

5 Miles SSW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. West southwest wind 3 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54. Southwest wind 5 to 8 mph.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West southwest wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52. West southwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 54. Southwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 80.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
1:26 pm PDT Jun 21, 2026
7pm PDT Jun 21, 2026-6pm PDT Jun 28, 2026
 
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