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Hazardous Weather Conditions
Current conditions at
Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)
Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.
Clear
78°F
26°C
| Humidity | 33% |
| Wind Speed | N 0 MPH |
| Barometer | 29.91 in (1012.87 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 04 Oct 09:53 AM PDT |
Extended Forecast for
Saint Helena CA
Heat Advisory October 4, 10:09am until October 7, 10:00pm
NOW until 10:00pm Wed
Heat Advisory
Today
High: 99 °F
Hot
Tonight
Low: 64 °F
Mostly Clear
Monday
High: 101 °F
Hot
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 101 °F
Hot
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 100 °F
Hot
Wednesday Night
Low: 59 °F
Mostly Clear
Detailed Forecast
Today
Mostly cloudy and hot, with a high near 99. Calm wind.
Tonight
Mostly clear, with a low around 64. Calm wind.
Monday
Sunny and hot, with a high near 101. Calm wind.
Monday Night
Mostly clear, with a low around 64. Calm wind.
Tuesday
Sunny and hot, with a high near 101. Calm wind.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 80.
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)
1:46 am PDT Oct 4, 2026
10am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
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