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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

light rain,mist

52°F

11°C

Humidity 96%
Wind Speed NW 3 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 51°F (11°C)
Visibility 2.00 mi
Last update 27 Jan 11:53 PM PST
Extended Forecast for

3 Miles E Guerneville CA

  • Overnight

    Overnight: A 50 percent chance of rain. Mostly cloudy, with a low around 46. Light northwest wind.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Thursday

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

    High: 62 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 46. Light northwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Light and variable wind.
Wednesday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42. Calm wind.
Thursday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Thursday Night
Mostly cloudy, with a low around 45. Calm wind.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 60.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 61.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Guerneville CA
 38.5°N 122.95°W (Elev. 79 ft)
Last Update:
12:26 pm PST Jan 27, 2026
Forecast Valid:
12am PST Jan 28, 2026-6pm PST Feb 3, 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