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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
71°F
22°C
| Humidity | 45% |
| Wind Speed | N 0 MPH |
| Barometer | 29.83 in (1010.16 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 03 Oct 09:53 PM PDT |
Extended Forecast for
Saint Helena CA
Heat Advisory October 3, 10:01pm until October 7, 10:00pm
NOW until 10:00pm Wed
Heat Advisory
Tonight
Low: 65 °F
Increasing
CloudsSunday
High: 99 °F
Hot
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 102 °F
Hot
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 102 °F
Hot
Tuesday Night
Low: 60 °F
Clear
Wednesday
High: 100 °F
Hot
Detailed Forecast
Tonight
Increasing clouds, with a low around 65. Calm wind.
Sunday
Mostly cloudy and hot, with a high near 99. Calm wind.
Sunday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 64. Calm wind.
Monday
Sunny and hot, with a high near 102. Calm wind.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Clear, with a low around 60.
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 99.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 52.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 79.
Additional Forecasts and Information
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Point Forecast:
Saint Helena CA
38.51°N 122.46°W (Elev. 203 ft)
38.51°N 122.46°W (Elev. 203 ft)
7:52 pm PDT Oct 3, 2026
10pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
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