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Current conditions at
Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)
Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.
Clear
63°F
17°C
| Humidity | 39% |
| Wind Speed | N 0 MPH |
| Barometer | 30.16 in (1021.34 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 10:05 AM PDT |
Extended Forecast for
Saint Helena CA
Today
High: 91 °F
Sunny
Tonight
Low: 55 °F
Mostly Clear
Friday
High: 92 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Saturday
High: 91 °F
Sunny
Saturday Night
Low: 49 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 45 °F
Patchy Fog
Monday
High: 71 °F
Areas Fog
then Mostly
Sunny
Detailed Forecast
Today
Sunny, with a high near 91. North northeast wind 5 to 9 mph becoming light northeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 55. Calm wind becoming north 5 to 7 mph in the evening.
Friday
Sunny, with a high near 92. North northeast wind 5 to 7 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 91. Calm wind.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 80.
Sunday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 45.
Monday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 71.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 45.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 73.
Additional Forecasts and Information
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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)
2:31 am PDT Oct 15, 2026
10am PDT Oct 15, 2026-6pm PDT Oct 21, 2026
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