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

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

45°F

7°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Mar 03:35 AM PDT
Extended Forecast for

Guerneville CA

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Northwest wind around 5 mph becoming calm in the morning.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 46. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 77. Northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly cloudy, with a low around 53. Light and variable wind.
Friday
Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
A chance of rain. Partly sunny, with a high near 67.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
Rain likely. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.52°N 122.98°W (Elev. 95 ft)
Last Update:
1:56 am PDT Mar 25, 2026
Forecast Valid:
3am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation