National Weather Service Forecast for: Fairfield CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:00 am PDT Jun 22, 2026
 
Overnight

Overnight: Mostly clear, with a low around 55. West southwest wind around 11 mph, with gusts as high as 22 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 55. West southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 85. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 56. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 86.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 85.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 56.
Mostly Clear
Lo 55 °F Hi 83 °F Lo 55 °F Hi 85 °F Lo 56 °F Hi 86 °F Lo 56 °F Hi 85 °F Lo 56 °F

 

Overnight
 
 Mostly clear, with a low around 55. West southwest wind around 11 mph, with gusts as high as 22 mph.
Monday
 
 Sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Monday Night
 
 Mostly clear, with a low around 55. West southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
 
 Sunny, with a high near 85. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
 
 Mostly clear, with a low around 56. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Wednesday
 
 Sunny, with a high near 86.
Wednesday Night
 
 Mostly clear, with a low around 56.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Mostly clear, with a low around 56.
Friday
 
 Sunny, with a high near 81.
Friday Night
 
 Mostly clear, with a low around 58.
Saturday
 
 Sunny, with a high near 81.
Saturday Night
 
 Clear, with a low around 56.
Sunday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Fairfield CA.