National Weather Service Forecast for: Cotati CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:07 am PDT Sep 13, 2026
 
Today

Today: Sunny, with a high near 78. West northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 52. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunny
 Monday
Night
Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.
Clear then
Patchy Fog
 Tuesday

Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Areas Fog
then Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 51.
Patchy Fog
 Wednesday

Wednesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 81.
Areas Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 52.
Patchy Fog
 Thursday

Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80.
Areas Fog
then Sunny
Hi 78 °F Lo 52 °F Hi 83 °F Lo 51 °F Hi 83 °F Lo 51 °F Hi 81 °F Lo 52 °F Hi 80 °F

 

Today
 
 Sunny, with a high near 78. West northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tonight
 
 Mostly clear, with a low around 52. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
 
 Sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
 
 Areas of fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 51.
Wednesday
 
 Areas of fog before 10am. Otherwise, mostly sunny, with a high near 81.
Wednesday Night
 
 Patchy fog after 10pm. Otherwise, mostly clear, with a low around 52.
Thursday
 
 Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80.
Thursday Night
 
 Patchy fog after 10pm. Otherwise, mostly clear, with a low around 52.
Friday
 
 Areas of fog. Otherwise, mostly sunny, with a high near 78.
Friday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 51.
Saturday
 
 Patchy fog. Otherwise, mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Cotati CA.