Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fog

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Last update 07 Feb 09:20 AM PST
Extended Forecast for

Guerneville CA

  • Today

    Today: Mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 2am and 5am.  Otherwise, partly cloudy, with a low around 47. West southwest wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A 30 percent chance of rain after 3pm.  Patchy dense fog before noon.  Otherwise, partly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Patchy Dense
    Fog then
    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 9pm.  Patchy fog before midnight.  Otherwise, mostly cloudy, with a low around 46. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog between 2am and 5am. Otherwise, partly cloudy, with a low around 47. West southwest wind 3 to 5 mph.
Sunday
A 30 percent chance of rain after 3pm. Patchy dense fog before noon. Otherwise, partly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 9pm. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 44.
Tuesday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 58.
Tuesday Night
A chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Wednesday
A chance of rain, mainly before 10am. Partly sunny, with a high near 59.
Wednesday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
1:23 am PST Feb 7, 2026
9am PST Feb 7, 2026-6pm PST Feb 13, 2026
 
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