National Weather Service Forecast for: Fairfield CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:20 am PDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 91. North northeast wind around 6 mph.
Sunny
Tonight

Tonight: Clear, with a low around 58. Light west southwest wind.
Clear
Friday

Friday: Sunny, with a high near 91. Calm wind becoming northeast around 5 mph.
Sunny
Friday
Night
Friday Night: Increasing clouds, with a low around 57. West southwest wind around 6 mph.
Increasing
Clouds
Saturday

Saturday: Partly sunny, with a high near 86. West wind 3 to 7 mph.
Partly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 53.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 84.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 52.
Mostly Clear
Monday

Monday: Sunny, with a high near 85.
Sunny
Hi 91 °F Lo 58 °F Hi 91 °F Lo 57 °F Hi 86 °F Lo 53 °F Hi 84 °F Lo 52 °F Hi 85 °F

 

This Afternoon
 
Sunny, with a high near 91. North northeast wind around 6 mph.
Tonight
 
Clear, with a low around 58. Light west southwest wind.
Friday
 
Sunny, with a high near 91. Calm wind becoming northeast around 5 mph.
Friday Night
 
Increasing clouds, with a low around 57. West southwest wind around 6 mph.
Saturday
 
Partly sunny, with a high near 86. West wind 3 to 7 mph.
Saturday Night
 
Mostly clear, with a low around 53.
Sunday
 
Sunny, with a high near 84.
Sunday Night
 
Mostly clear, with a low around 52.
Monday
 
Sunny, with a high near 85.
Monday Night
 
Mostly clear, with a low around 54.
Tuesday
 
Sunny, with a high near 86.
Tuesday Night
 
Mostly clear, with a low around 52.
Wednesday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Fairfield CA.