Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes
Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
38°F
3°C
| Humidity | 96% |
| Wind Speed | NNE 3 MPH |
| Barometer | 30.31 in (1026.41 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jan 10:54 PM PST |
Extended Forecast for
4 Miles E Saint Helena CA
Cold Weather Advisory January 13, 01:00am until January 13, 09:00am
Tonight
Low: 36 °F
Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 44 °F
Mostly Clear
Friday
High: 65 °F
Sunny
Friday Night
Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 36. Calm wind.
Tuesday
Sunny, with a high near 64. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 64. Light north northeast wind.
Wednesday Night
Mostly clear, with a low around 43. Calm wind.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 44.
M.L.King Day
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
8:29 pm PST Jan 12, 2026
11pm PST Jan 12, 2026-6pm PST Jan 19, 2026
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