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

24°C

75°F

Humidity 20%
Wind Speed SW 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 0°C (32°F)
Visibility 16 km
Last update 18 Apr 03:53 PM PDT
Extended Forecast for

Angwin CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. South southwest wind 5 to 10 km/h becoming calm in the evening.

    Low: 9 °C

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 18. Southwest wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon. Winds could gust as high as 34 km/h.

    High: 18 °C

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 8. West southwest wind 10 to 14 km/h, with gusts as high as 32 km/h.

    Low: 8 °C

    Slight Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 13. South wind 10 to 16 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New precipitation amounts between 7.5 mm and 1 cm possible.

    High: 13 °C

    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 9. South wind 10 to 14 km/h, with gusts as high as 29 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.

    Low: 9 °C

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 11. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.

    High: 11 °C

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 7. Chance of precipitation is 70%.

    Low: 7 °C

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 14.

    High: 14 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 6.

    Low: 6 °C

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 9. South southwest wind 5 to 10 km/h becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 18. Southwest wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon. Winds could gust as high as 34 km/h.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 8. West southwest wind 10 to 14 km/h, with gusts as high as 32 km/h.
Monday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 13. South wind 10 to 16 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New precipitation amounts between 7.5 mm and 1 cm possible.
Monday Night
Showers. Low around 9. South wind 10 to 14 km/h, with gusts as high as 29 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 11. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 7. Chance of precipitation is 70%.
Wednesday
A chance of showers. Partly sunny, with a high near 14.
Wednesday Night
Mostly clear, with a low around 6.
Thursday
Sunny, with a high near 17.
Thursday Night
Mostly clear, with a low around 7.
Friday
Sunny, with a high near 19.
Friday Night
Mostly clear, with a low around 8.
Saturday
Sunny, with a high near 19.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Angwin CA
 38.58°N 122.45°W (Elev. 1759 m)
Last Update:
1:26 pm PDT Apr 18, 2026
Forecast Valid:
4pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation