National Weather Service Forecast for: Yountville CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 pm PDT Jun 29, 2026
 
Overnight

Overnight: Mostly clear, with a low around 54. Calm wind.
Mostly Clear

 Tuesday

Tuesday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Becoming
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 50. Light and variable wind.
Clear then
Patchy Fog
 Wednesday

Wednesday: Areas of fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming south southwest around 6 mph in the afternoon.
Areas Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. South southwest wind around 6 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Thursday

Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78.
Patchy Fog
then Sunny
 Thursday
Night
Thursday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.
Mostly Clear
then Patchy
Fog
 Friday

Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84.
Patchy Fog
then Sunny
 Friday
Night
Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.
Clear then
Patchy Fog
Lo 54 °F Hi 82 °F Lo 50 °F Hi 82 °F Lo 50 °F Hi 78 °F Lo 50 °F Hi 84 °F Lo 53 °F

 

Overnight
 
 Mostly clear, with a low around 54. Calm wind.
Tuesday
 
 Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 2am. Otherwise, increasing clouds, with a low around 50. Light and variable wind.
Wednesday
 
 Areas of fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. South southwest wind around 6 mph becoming calm in the evening.
Thursday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78.
Thursday Night
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.
Friday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84.
Friday Night
 
 Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.
Independence Day
 
 Mostly sunny, with a high near 86.
Saturday Night
 
 Patchy fog. Otherwise, mostly clear, with a low around 52.
Sunday
 
 Mostly sunny, with a high near 83.
Sunday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 52.
Monday
 
 Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Yountville CA.