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Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mostly Cloudy

63°F

17°C

Humidity 63%
Wind Speed SSE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 02 Mar 12:20 PM PST
Extended Forecast for

Guerneville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. Light southwest wind.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between 1am and 2am. Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 64 °F

    Patchy Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 47. Northwest wind around 5 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am. Mostly sunny, with a high near 62. West northwest wind 5 to 9 mph, with gusts as high as 24 mph.

    High: 62 °F

    Slight Chance
    Rain then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 63. Light southwest wind.
Tonight
Patchy fog between 1am and 2am. Otherwise, mostly clear, with a low around 46. Calm wind.
Tuesday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 47. Northwest wind around 5 mph.
Wednesday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 62. West northwest wind 5 to 9 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.5°N 122.98°W (Elev. 397 ft)
Last Update:
12:26 pm PST Mar 2, 2026
Forecast Valid:
12pm PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
Forecast Discussion
 
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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