National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

34°F

1°C

Humidity 100%
Wind Speed NNW 4 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Jan 07:55 AM PST
Extended Forecast for

3 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 59. Calm wind becoming north northeast around 5 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. Calm wind becoming north northeast around 5 mph.
Tonight
Clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 62. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lake Berryessa CA
 38.53°N 122.23°W (Elev. 991 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
8am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation