National Weather Service Forecast for: Yountville CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Jun 19, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening.
Increasing
Clouds
 Saturday

Saturday: Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Becoming
Sunny
 Saturday
Night
Saturday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 50. West southwest wind around 5 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Sunday

Sunday: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Patchy Fog
then Sunny
 Sunday
Night
Sunday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm in the evening.
Clear then
Patchy Fog
 Monday

Monday: Mostly sunny, with a high near 84.
Mostly Sunny

 Monday
Night
Monday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 52.
Clear then
Patchy Fog
 Tuesday

Tuesday: Mostly sunny, with a high near 86.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.
Clear then
Patchy Fog
Lo 51 °F Hi 76 °F Lo 50 °F Hi 83 °F Lo 51 °F Hi 84 °F Lo 52 °F Hi 86 °F Lo 52 °F

 

Tonight
 
 Increasing clouds, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
 
 Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
 
 Patchy fog after midnight. Otherwise, increasing clouds, with a low around 50. West southwest wind around 5 mph becoming calm in the evening.
Sunday
 
 Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 84.
Monday Night
 
 Patchy fog after 1am. Otherwise, mostly clear, with a low around 52.
Tuesday
 
 Mostly sunny, with a high near 86.
Tuesday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.
Wednesday
 
 Sunny, with a high near 88.
Wednesday Night
 
 Patchy fog. Otherwise, mostly clear, with a low around 53.
Thursday
 
 Sunny, with a high near 86.
Thursday Night
 
 Patchy fog. Otherwise, mostly clear, with a low around 53.
Friday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Yountville CA.