
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

Low: 53 °F
Mostly Clear
Monday

High: 83 °F
Sunny
Monday Night

Low: 52 °F
Mostly Clear
Tuesday

High: 84 °F
Sunny
Tuesday Night

Low: 54 °F
Clear
Wednesday

High: 86 °F
Sunny
Wednesday Night

Low: 54 °F
Clear
Thursday

High: 83 °F
Sunny
Thursday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Lake Berryessa CA
38.5°N 122.28°W (Elev. 1355 ft)
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


