
Prolonged Extreme Cold; Eastern U.S. Winter Storm
Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
48°F
9°C
| Humidity | 92% |
| Wind Speed | ESE 3 MPH |
| Barometer | 30.33 in (1027.09 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 28 Jan 08:54 PM PST |
Extended Forecast for
Lake Berryessa CA
Tonight

Low: 43 °F
Mostly Clear
Thursday

High: 63 °F
Sunny
Thursday Night

Low: 44 °F
Partly Cloudy
Friday

High: 62 °F
Partly Sunny
Friday Night

Low: 46 °F
Mostly Cloudy
Saturday

High: 63 °F
Partly Sunny
Saturday Night

Low: 46 °F
Mostly Cloudy
Sunday

High: 62 °F
Mostly Cloudy
Sunday Night

Low: 45 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 43. Calm wind.
Thursday
Sunny, with a high near 63. Calm wind.
Thursday Night
Partly cloudy, with a low around 44. Calm wind.
Friday
Partly sunny, with a high near 62. Calm wind.
Friday Night
Mostly cloudy, with a low around 46. Calm wind.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 66.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Lake Berryessa CA
38.57°N 122.24°W (Elev. 732 ft)
38.57°N 122.24°W (Elev. 732 ft)
7:43 pm PST Jan 28, 2026
9pm PST Jan 28, 2026-6pm PST Feb 4, 2026


