Active Spring Like Pattern Across the Eastern Half of the Country

The second storm will track across central and eastern portion of the country this weekend. Heavy wintry precipitation will affect the northern Plains to the upper peninsula of Michigan. Severe thunderstorms are expected along and ahead of the cold front, where very large hail, damaging winds and a few tornadoes are possible from the mid-Mississippi and Ohio Valleys to southern Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

43°F

6°C

Humidity 81%
Wind Speed ENE 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 04 Apr 06:30 AM PDT
Extended Forecast for

Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 78. North wind around 6 mph becoming calm  in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am.  Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 78. North wind around 6 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 53. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind.
Sunday Night
Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 69.
Wednesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain. Mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Berryessa CA
 38.57°N 122.24°W (Elev. 732 ft)
2:26 am PDT Apr 4, 2026
6am PDT Apr 4, 2026-6pm PDT Apr 10, 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