National Weather Service Forecast for: Fairfield CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:00 pm PDT Jul 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph.
Mostly Cloudy
Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 94. West southwest wind 3 to 8 mph.
Becoming
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 65. West southwest wind 5 to 8 mph.
Mostly Clear
Tuesday

Tuesday: Sunny and hot, with a high near 96. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Hot
Tuesday
Night
Tuesday Night: Clear, with a low around 63. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Clear
Wednesday

Wednesday: Sunny, with a high near 94.
Sunny
Wednesday
Night
Wednesday Night: Clear, with a low around 59.
Clear
Thursday

Thursday: Sunny, with a high near 88.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 63 °F Hi 94 °F Lo 65 °F Hi 96 °F Lo 63 °F Hi 94 °F Lo 59 °F Hi 88 °F Lo 57 °F

 

Tonight
 
Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph.
Monday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 94. West southwest wind 3 to 8 mph.
Monday Night
 
Mostly clear, with a low around 65. West southwest wind 5 to 8 mph.
Tuesday
 
Sunny and hot, with a high near 96. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
 
Clear, with a low around 63. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday
 
Sunny, with a high near 94.
Wednesday Night
 
Clear, with a low around 59.
Thursday
 
Sunny, with a high near 88.
Thursday Night
 
Mostly clear, with a low around 57.
Friday
 
Sunny, with a high near 85.
Friday Night
 
Mostly clear, with a low around 59.
Saturday
 
Mostly sunny, with a high near 84.
Saturday Night
 
Partly cloudy, with a low around 60.
Sunday
 
Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Fairfield CA.