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.

Mist

44°F

7°C

Humidity 95%
Wind Speed W 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Last update 30 Nov 12:01 AM PST
Extended Forecast for

Guerneville CA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.
Sunday Night
Patchy fog before 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
12:26 pm PST Nov 29, 2025
Forecast Valid:
12am PST Nov 30, 2025-6pm PST Dec 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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