NWS Forecast for Santa Rosa CA

National Weather Service Forecast for: Santa Rosa CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA

Updated: 11:44 pm PST Feb 1, 2026

Overnight Fog	Monday Areas Fog then Sunny	Monday Night Areas Fog	Tuesday Areas Dense Fog then Sunny	Tuesday Night Mostly Clear	Wednesday Sunny	Wednesday Night Mostly Clear	Thursday Sunny	Thursday Night Mostly Cloudy then Patchy Fog
Lo 40 °F	Hi 67 °F	Lo 40 °F	Hi 69 °F	Lo 41 °F	Hi 70 °F	Lo 41 °F	Hi 68 °F	Lo 44 °F

Coastal Flood Advisory

Overnight	Widespread fog, mainly before 4am. Otherwise, mostly clear, with a low around 40. Calm wind.
Monday	Areas of fog before 9am. Otherwise, sunny, with a high near 67. Light and variable wind.
Monday Night	Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 40. Calm wind.
Tuesday	Areas of dense fog before 10am. Otherwise, sunny, with a high near 69. Calm wind.
Tuesday Night	Mostly clear, with a low around 41. Calm wind.
Wednesday	Sunny, with a high near 70.
Wednesday Night	Mostly clear, with a low around 41.
Thursday	Sunny, with a high near 68.
Thursday Night	Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44.
Friday	Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66.
Friday Night	Widespread fog. Otherwise, partly cloudy, with a low around 44.
Saturday	Areas of fog. Otherwise, mostly sunny, with a high near 65.
Saturday Night	A slight chance of rain. Widespread fog. Otherwise, partly cloudy, with a low around 44.
Sunday	A chance of rain. Widespread fog. Otherwise, partly sunny, with a high near 65.

Forecast from NOAA-NWS for Santa Rosa CA.