National Weather Service Forecast for: Napa CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 9:11 am PDT Apr 22, 2025
 
Today

Today: Sunny, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunny

 Tonight

Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 44. South southwest wind around 6 mph becoming calm in the evening.
Clear then
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 46. Southwest wind 5 to 8 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Thursday

Thursday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 65. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Patchy Fog
then Partly
Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 45.
Mostly Cloudy

 Friday

Friday: Mostly sunny, with a high near 63.
Mostly Sunny

 Friday
Night
Friday Night: A chance of rain, mainly after 11pm. Partly cloudy, with a low around 43.
Chance Rain

 Saturday

Saturday: Mostly sunny, with a high near 65.
Mostly Sunny
Hi 75 °F Lo 44 °F Hi 69 °F Lo 46 °F Hi 65 °F Lo 45 °F Hi 63 °F Lo 43 °F Hi 65 °F

 

Today
 
 Sunny, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tonight
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 44. South southwest wind around 6 mph becoming calm in the evening.
Wednesday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 5am. Otherwise, increasing clouds, with a low around 46. Southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 65. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
 
 Mostly cloudy, with a low around 45.
Friday
 
 Mostly sunny, with a high near 63.
Friday Night
 
 A chance of rain, mainly after 11pm. Partly cloudy, with a low around 43.
Saturday
 
 Mostly sunny, with a high near 65.
Saturday Night
 
 Mostly clear, with a low around 43.
Sunday
 
 Sunny, with a high near 70.
Sunday Night
 
 Mostly clear, with a low around 45.
Monday
 
 Sunny, with a high near 74.

 

Forecast from NOAA-NWS for Napa CA.