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

19°C

67°F

Humidity 29%
Wind Speed N 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 1°C (34°F)
Visibility 16 km
Last update 16 Apr 12:53 PM PDT
Extended Forecast for

5 Miles SSW Saint Helena CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 17. North wind 16 to 21 km/h, with gusts as high as 42 km/h.

    High: 17 °C

    Sunny

  • Tonight

    Tonight: Clear, with a low around 9. North wind 13 to 23 km/h, with gusts as high as 60 km/h.

    Low: 9 °C

    Clear

  • Friday

    Friday: Sunny, with a high near 20. North wind 10 to 18 km/h becoming west in the afternoon. Winds could gust as high as 45 km/h.

    High: 20 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. Northwest wind 5 to 10 km/h.

    Low: 11 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 21. North northeast wind 5 to 10 km/h becoming south in the afternoon.

    High: 21 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11.

    Low: 11 °C

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 17.

    High: 17 °C

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 12.

    Low: 12 °C

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 15.

    High: 15 °C

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 17. North wind 16 to 21 km/h, with gusts as high as 42 km/h.
Tonight
Clear, with a low around 9. North wind 13 to 23 km/h, with gusts as high as 60 km/h.
Friday
Sunny, with a high near 20. North wind 10 to 18 km/h becoming west in the afternoon. Winds could gust as high as 45 km/h.
Friday Night
Partly cloudy, with a low around 11. Northwest wind 5 to 10 km/h.
Saturday
Mostly sunny, with a high near 21. North northeast wind 5 to 10 km/h becoming south in the afternoon.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 17.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 12.
Monday
Rain likely. Mostly cloudy, with a high near 15.
Monday Night
Rain likely. Mostly cloudy, with a low around 11.
Tuesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 13.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 11.
Wednesday
A chance of rain. Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Saint Helena CA
 38.44°N 122.5°W (Elev. 1398 m)
Last Update:
12:32 pm PDT Apr 16, 2026
Forecast Valid:
1pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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