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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

55°F

13°C

Humidity 87%
Wind Speed SSE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 May 08:15 AM PDT
Extended Forecast for

Guerneville CA

  • Today

    Today: Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. North northwest wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light north northwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 52. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. North northwest wind 5 to 8 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 84. Light north northwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 90.
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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:
8:36 am PDT May 13, 2026
Forecast Valid:
8am PDT May 13, 2026-6pm PDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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