
Rain and Thunderstorms in the Southeast; A Wintry Mix in the Southern Mid-Atlantic
A frontal system is expected to bring showers and thunderstorms along the Gulf Coast and Southeast, and some snow and/or freezing rain/drizzle over the southern Mid-Atlantic into the morning. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next couple of days. Read More >
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.haze
57°F
14°C
| Humidity | 82% |
| Wind Speed | E 16 MPH |
| Barometer | 30.25 in (1024.38 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 6.00 mi |
| Last update | 04 Feb 11:00 AM PST |
Extended Forecast for
4 Miles E Saint Helena CA
Today

High: 71 °F
Sunny
Tonight

Low: 44 °F
Clear
Thursday

High: 70 °F
Increasing
CloudsThursday Night

Low: 46 °F
Mostly Cloudy
Friday

High: 67 °F
Mostly Sunny
Friday Night

Low: 44 °F
Patchy Fog
Saturday
High: 67 °F
Areas Fog
then Mostly
SunnySaturday Night

Low: 45 °F
Patchy Fog
Sunday

High: 64 °F
Slight Chance
Rain
Detailed Forecast
Today
Sunny, with a high near 71. East northeast wind 3 to 5 mph.
Tonight
Clear, with a low around 44. Calm wind.
Thursday
Increasing clouds, with a high near 70. Light east northeast wind.
Thursday Night
Mostly cloudy, with a low around 46. Calm wind.
Friday
Mostly sunny, with a high near 67. Calm wind.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 44.
Saturday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 67.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 45.
Sunday
A slight chance of rain after 10am. Partly sunny, with a high near 64.
Sunday Night
A chance of rain. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 42.
Monday
A chance of rain. Partly sunny, with a high near 60.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles E Saint Helena CA
38.5°N 122.4°W (Elev. 476 ft)
38.5°N 122.4°W (Elev. 476 ft)
1:48 am PST Feb 4, 2026
11am PST Feb 4, 2026-6pm PST Feb 10, 2026


