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.

Overcast

54°F

12°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Oct 01:55 AM PDT
Extended Forecast for

Santa Rosa CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 9pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers 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 Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 68. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers before 11am. Areas of fog before noon. Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers and
    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
A slight chance of showers between 8pm and 9pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 20%.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 68. Calm wind.
Tuesday Night
A 30 percent chance of showers after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of showers. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 68. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly after 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46.
Thursday
A chance of showers before 11am. Areas of fog before noon. Otherwise, partly sunny, with a high near 69.
Thursday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 43.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Sunday
A chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 71.
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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:
1:26 am PDT Oct 19, 2026
Forecast Valid:
2am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation