National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Mist

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 43°F (6°C)
Visibility 2.00 mi
Last update 01 Dec 07:35 AM PST
Extended Forecast for

Guerneville CA

Coastal Flood Advisory December 2, 06:00am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Today

    Today: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light north wind.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. North wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Light and variable wind becoming south southeast around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 53. Light and variable wind.
Tonight
Partly cloudy, with a low around 44. Light north wind.
Tuesday
Sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 43. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 65. Light and variable wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 65.
Friday Night
Patchy fog before 10pm, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 47.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 63.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 62.
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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:
1:11 am PST Dec 1, 2025
Forecast Valid:
7am PST Dec 1, 2025-6pm PST Dec 7, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation