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

47°F

8°C

Humidity 100%
Wind Speed SSE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 47°F (8°C)
Visibility 0.50 mi
Last update 06 Feb 09:26 PM PST
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A 40 percent chance of rain after 1pm.  Patchy dense fog before 11am.  Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 62 °F

    Patchy Dense
    Fog then
    Chance Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain before 10pm.  Patchy fog.  Otherwise, mostly cloudy, with a low around 46. Light northwest wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog then
    Areas Fog

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: A chance of rain.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 46. Light and variable wind.
Sunday
A 40 percent chance of rain after 1pm. Patchy dense fog before 11am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of rain before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 46. Light northwest wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 60.
Monday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 55.
Tuesday Night
A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 42.
Wednesday
A chance of rain, mainly before 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A slight chance of rain. Mostly clear, with a low around 42.
Friday
A chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.5°N 122.98°W (Elev. 397 ft)
2:55 pm PST Feb 6, 2026
9pm PST Feb 6, 2026-6pm PST Feb 13, 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