National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

70°F

21°C

Humidity 56%
Wind Speed SE 6 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Aug 04:20 PM PDT
Extended Forecast for

Santa Rosa CASimilar City Names

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Sunny, with a steady temperature around 76. Light southwest wind.

    High: 76 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 52. South southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 52. South southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Sunny, with a steady temperature around 76. Light southwest wind.
Tonight
Mostly clear, with a low around 52. South southeast wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 52. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 52.
Monday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 76.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 73.
Tuesday Night
Areas of fog after 2am. Otherwise, partly cloudy, with a low around 52.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers. Patchy fog. Otherwise, partly cloudy, with a low around 53.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CASimilar City Names
 38.45°N 122.7°W (Elev. 190 ft)
Last Update:
1:26 pm PDT Aug 28, 2026
Forecast Valid:
4pm PDT Aug 28, 2026-6pm PDT Sep 4, 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