News Headlines
Current conditions at
Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)
Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.Mist
50°F
10°C
| Humidity | 79% |
| Wind Speed | N 0 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 29 Nov 03:01 PM PST |
Extended Forecast for
Saint Helena CA
Tonight
Low: 41 °F
Patchy Fog
Sunday
High: 62 °F
Areas Fog
then SunnySunday Night
Low: 41 °F
Partly Cloudy
Monday
High: 63 °F
Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 63 °F
Sunny
Tuesday Night
Low: 43 °F
Partly Cloudy
Wednesday
High: 62 °F
Sunny
Wednesday Night
Low: 42 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 41. Calm wind.
Sunday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.
Sunday Night
Partly cloudy, with a low around 41. Calm wind.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Partly cloudy, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Helena CA
38.51°N 122.46°W (Elev. 203 ft)
38.51°N 122.46°W (Elev. 203 ft)
12:26 pm PST Nov 29, 2025
3pm PST Nov 29, 2025-6pm PST Dec 6, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
