
Severe Thunderstorms and Critical Fire Weather Wednesday
Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >
Current conditions at
Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)
Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.
Clear
55°F
13°C
| Humidity | 82% |
| Wind Speed | S 5 MPH |
| Barometer | 29.94 in (1013.89 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 9.00 mi |
| Last update | 12 May 09:20 PM PDT |
Extended Forecast for
Guerneville CA
Tonight

Low: 54 °F
Mostly Clear
Wednesday

High: 77 °F
Sunny
Wednesday Night

Low: 52 °F
Mostly Clear
Thursday

High: 86 °F
Sunny
Thursday Night

Low: 57 °F
Clear
Friday

High: 85 °F
Sunny
Friday Night

Low: 54 °F
Mostly Clear
Saturday

High: 76 °F
Sunny
Saturday Night

Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 54. West northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 57. North northwest wind 5 to 8 mph.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Guerneville CA
38.52°N 122.98°W (Elev. 95 ft)
38.52°N 122.98°W (Elev. 95 ft)
9:22 pm PDT May 12, 2026
9pm PDT May 12, 2026-6pm PDT May 19, 2026


