National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 79%
Wind Speed W 6 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Apr 09:53 PM PDT
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Mostly clear, with a low around 42. West northwest wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 42. West northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 47. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 72.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 50.
Sunday
A chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
9:31 pm PDT Apr 15, 2026
Forecast Valid:
10pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation