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.

haze

64°F

18°C

Humidity 59%
Wind Speed S 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Oct 11:15 AM PDT
Extended Forecast for

Monte Rio CA

  • Today

    Today: Sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 66. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 66 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, cloudy, with a low around 46. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 46 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 67. Light and variable wind.

    High: 67 °F

    Slight Chance
    Rain and
    Areas Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A slight chance of rain after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain and
    Areas Fog

Detailed Forecast

Today
Sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 47. West southwest wind 5 to 7 mph becoming calm after midnight.
Monday
Increasing clouds, with a high near 66. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Patchy fog after 4am. Otherwise, cloudy, with a low around 46. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
A 20 percent chance of rain before 11am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 67. Light and variable wind.
Tuesday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 69.
Wednesday Night
A chance of rain, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50.
Thursday
A slight chance of rain after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Patchy fog. Otherwise, sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.49°N 123°W (Elev. 197 ft)
Last Update:
11:26 am PDT Oct 18, 2026
Forecast Valid:
11am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation