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

73°F

23°C

Humidity 46%
Wind Speed SE 13 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Oct 03:35 PM PDT
Extended Forecast for

Monte Rio CA

  • Tonight

    Tonight: Mostly clear, with a low around 48. West southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 18 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 64. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind.

    High: 66 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm in the evening. 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 68. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 18 mph.
Monday
Increasing clouds, with a high near 64. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Patchy fog after 5am. Otherwise, cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind.
Tuesday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm in the evening. 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 68. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 68.
Saturday Night
A chance of rain. Partly cloudy, with a low around 48.
Sunday
A chance of rain. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monte Rio CA
 38.47°N 123°W (Elev. 525 ft)
Last Update:
1:47 pm PDT Oct 18, 2026
Forecast Valid:
4pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
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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