National Weather Service Forecast for: Vacaville, CA
Issued by: National Weather Service Sacramento, CA
Updated: Mon, 01-Dec-2025 1:21am PST

Vacaville
 
Today

Today: Haze then Mostly Sunny
Haze then Mostly Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Sunday

Sunday: Partly Sunny
Partly Sunny
 
Hi 51 °F Hi 59 °F Hi 61 °F Hi 57 °F Hi 60 °F Hi 59 °F Hi 59 °F  
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
 
Lo 42 °F Lo 44 °F Lo 42 °F Lo 42 °F Lo 43 °F Lo 45 °F Lo 46 °F  

 

Today
 
Haze before 8am. Mostly sunny. High near 51, with temperatures falling to around 48 in the afternoon. Northeast wind 2 to 6 mph.
Tonight
 
Partly cloudy, with a low around 42. North wind around 2 mph.
Tuesday
 
Mostly sunny. High near 59, with temperatures falling to around 55 in the afternoon. East wind around 2 mph.
Tuesday Night
 
Partly cloudy, with a low around 44. West wind 2 to 12 mph, with gusts as high as 24 mph.
Wednesday
 
Mostly sunny, with a high near 61. North wind 12 to 18 mph, with gusts as high as 31 mph.
Wednesday Night
 
Partly cloudy, with a low around 42.
Thursday
 
Mostly sunny, with a high near 57.
Thursday Night
 
Mostly clear, with a low around 42.
Friday
 
Sunny, with a high near 60.
Friday Night
 
Partly cloudy, with a low around 43.
Saturday
 
Mostly sunny, with a high near 59.
Saturday Night
 
Partly cloudy, with a low around 45.
Sunday
 
Partly sunny, with a high near 59.
Sunday Night
 
Partly cloudy, with a low around 46.

 

Forecast from NOAA-NWS for Vacaville, CA.
Animated forecast icons courtesy of www.meteotreviglio.com.