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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

smoke

13°C

55°F

Humidity 93%
Wind Speed SSE 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 12°C (54°F)
Visibility 16 km
Last update 12 Jul 10:00 PM PDT
Extended Forecast for

Guerneville CA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 11. Calm wind.

    Low: 11 °C

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 24. Light southwest wind increasing to 6 to 11 km/h in the afternoon.

    High: 24 °C

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 10. Calm wind.

    Low: 10 °C

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 26. Calm wind becoming southwest 5 to 10 km/h in the afternoon.

    High: 26 °C

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 11. Southwest wind 5 to 10 km/h becoming calm in the evening.

    Low: 11 °C

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 23.

    High: 23 °C

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 11.

    Low: 11 °C

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 23.

    High: 23 °C

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 11.

    Low: 11 °C

    Areas Fog

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 11. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 24. Light southwest wind increasing to 6 to 11 km/h in the afternoon.
Sunday Night
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 10. Calm wind.
Monday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 26. Calm wind becoming southwest 5 to 10 km/h in the afternoon.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 11. Southwest wind 5 to 10 km/h becoming calm in the evening.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 23.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 11.
Wednesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 23.
Wednesday Night
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 11.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 24.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 11.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 24.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 11.
Saturday
Patchy fog. Otherwise, sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
Guerneville CA
 38.49°N 123°W (Elev. 197 m)
Last Update:
3:36 pm PDT Jul 12, 2025
Forecast Valid:
10pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
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