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.

Clear

66°F

19°C

Humidity 48%
Wind Speed SSW 10 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Oct 03:15 PM PDT
Extended Forecast for

Santa Rosa CA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 68. Calm wind.

    High: 68 °F

    Areas Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 40 percent chance of showers. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 70. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, sunny, with a high near 72.

    High: 72 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 68. Calm wind.
Tuesday Night
A 20 percent chance of showers after 4am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 47. Calm wind.
Wednesday
A 40 percent chance of showers. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 70. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 11am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 69.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A slight chance of showers. Patchy fog. Otherwise, mostly sunny, with a high near 74.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Monday
A slight chance of showers. Areas of fog. Otherwise, mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
1:47 pm PDT Oct 19, 2026
Forecast Valid:
3pm PDT Oct 19, 2026-6pm PDT Oct 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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