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

66°F

19°C

Humidity 29%
Wind Speed NNW 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Oct 10:00 AM PDT
Extended Forecast for

2 Miles NW Saint Helena CA

  • Today

    Today: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 46. Light west wind.

    Low: 46 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 68. West wind around 5 mph becoming calm in the morning.

    High: 68 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers. Areas of fog before 10am. Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers and
    Areas Fog

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Calm wind.
Tonight
Mostly clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 46. Light west wind.
Monday
Partly sunny, with a high near 68. West wind around 5 mph becoming calm in the morning.
Monday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45.
Tuesday
A 20 percent chance of showers. Areas of fog before 10am. Otherwise, partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A slight chance of rain after 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47.
Thursday
Areas of fog. Otherwise, mostly sunny, with a high near 70.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Friday
Patchy fog. Otherwise, sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Saint Helena CA
 38.53°N 122.49°W (Elev. 262 ft)
Last Update:
8:36 am PDT Oct 17, 2026
Forecast Valid:
10am PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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