Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

43°F

6°C

Humidity 92%
Wind Speed W 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Mar 03:53 AM PDT
Extended Forecast for

Guerneville CA

  • Today

    Today: Sunny, with a high near 74. Calm wind becoming west southwest around 5 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light west northwest wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Calm wind becoming west southwest around 5 mph.
Tonight
Mostly clear, with a low around 48. Light west northwest wind.
Thursday
Sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. West northwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 ft)
2:53 am PDT Mar 11, 2026
4am PDT Mar 11, 2026-6pm PDT Mar 17, 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