National Weather Service Forecast for: Yountville CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 7:35 pm PST Dec 4, 2025
 
Overnight

Overnight: Mostly clear, with a low around 42. Calm wind.
Mostly Clear

Friday

Friday: Sunny, with a high near 62. Light and variable wind.
Sunny

Friday
Night
Friday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 44. Calm wind.
Patchy Fog

Saturday

Saturday: Patchy fog before 11am.  Otherwise, sunny, with a high near 62. Calm wind.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 44. Calm wind.
Mostly Clear
then Patchy
Fog
Sunday

Sunday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 62.
Patchy Fog
then Mostly
Sunny
Sunday
Night
Sunday Night: Areas of fog.  Otherwise, partly cloudy, with a low around 44.
Areas Fog

Monday

Monday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 64.
Patchy Fog
then Mostly
Sunny
Monday
Night
Monday Night: Patchy fog before midnight, then patchy fog after 5am.  Otherwise, partly cloudy, with a low around 44.
Patchy Fog

Lo 42 °F Hi 62 °F Lo 44 °F Hi 62 °F Lo 44 °F Hi 62 °F Lo 44 °F Hi 64 °F Lo 44 °F

Coastal Flood Advisory
 

Overnight
 
Mostly clear, with a low around 42. Calm wind.
Friday
 
Sunny, with a high near 62. Light and variable wind.
Friday Night
 
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 44. Calm wind.
Saturday
 
Patchy fog before 11am. Otherwise, sunny, with a high near 62. Calm wind.
Saturday Night
 
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Sunday
 
Patchy fog before 11am. Otherwise, partly sunny, with a high near 62.
Sunday Night
 
Areas of fog. Otherwise, partly cloudy, with a low around 44.
Monday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64.
Monday Night
 
Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.
Tuesday
 
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 64.
Tuesday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
 
Areas of fog. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
 
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Thursday
 
Patchy fog. Otherwise, mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Yountville CA.