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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

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 59%
Wind Speed S 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Mar 10:00 AM PDT
Extended Forecast for

3 Miles ENE Graton CA

  • Today

    Today: Sunny, with a high near 83. Light north northwest wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

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

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Light north northwest wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 47. West northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 78. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Graton CA
 38.45°N 122.82°W (Elev. 85 ft)
Last Update:
2:22 am PDT Mar 21, 2026
Forecast Valid:
10am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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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