
Severe Thunderstorms and Critical Fire Weather Wednesday
Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
50°F
10°C
| Humidity | 100% |
| Wind Speed | W 3 MPH |
| Barometer | 30.03 in (1016.93 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 13 May 04:15 AM PDT |
Extended Forecast for
Lake Berryessa CA
Today

High: 78 °F
Sunny
Tonight

Low: 55 °F
Clear
Thursday

High: 85 °F
Sunny
Thursday Night

Low: 57 °F
Clear
Friday

High: 85 °F
Sunny
Friday Night

Low: 55 °F
Mostly Clear
Saturday

High: 77 °F
Sunny
Saturday Night

Low: 56 °F
Mostly Clear
Sunday

High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 78. Light west wind.
Tonight
Clear, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 57. West southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 90.
Additional Forecasts and Information
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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)
2:39 am PDT May 13, 2026
4am PDT May 13, 2026-6pm PDT May 19, 2026


