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.

Partly Cloudy

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 Apr 03:35 AM PDT
Extended Forecast for

Guerneville CA

  • Overnight

    Overnight: Clear, with a low around 41. North northwest wind around 5 mph.

    Low: 41 °F

    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 47. West southwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am. 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 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a low around 41. North northwest wind around 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 47. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain. Mostly cloudy, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 47.
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:
1:46 am PDT Apr 16, 2026
Forecast Valid:
3am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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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