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

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 43°F (6°C)
Visibility 1.00 mi
Last update 27 Nov 08:55 AM PST
Extended Forecast for

Guerneville CA

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog before 10pm, then patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 47. Calm wind becoming west southwest around 5 mph in the evening.

    Low: 47 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Areas of dense fog before noon, then patchy dense fog after 5pm. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 63 °F

    Areas Dense
    Fog

  • Friday Night

    Friday Night: Areas of dense fog. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Areas Dense
    Fog

  • Saturday

    Saturday: Patchy dense fog before 11am, then patchy dense fog after 5pm. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Patchy Dense
    Fog

  • Saturday Night

    Saturday Night: Patchy dense fog. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy dense fog before 10pm. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Patchy Dense
    Fog then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Patchy dense fog before 10pm, then patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 47. Calm wind becoming west southwest around 5 mph in the evening.
Friday
Areas of dense fog before noon, then patchy dense fog after 5pm. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Areas of dense fog. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.
Saturday
Patchy dense fog before 11am, then patchy dense fog after 5pm. Otherwise, mostly sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 62.
Sunday Night
Patchy dense fog before 10pm. Otherwise, partly cloudy, with a low around 45.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Patchy dense fog. Otherwise, sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
Last Update:
1:52 am PST Nov 27, 2025
Forecast Valid:
9am PST Nov 27, 2025-6pm PST Dec 3, 2025
 
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