National Weather Service Forecast for: Fairfield CA
Issued by: National Weather Service Sacramento, CA
Updated: 11:31 pm PDT Jun 29, 2026
 
Overnight

Overnight: Clear, with a low around 58. Southwest wind around 9 mph.
Clear
Tuesday

Tuesday: Sunny, with a high near 83. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 82. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 78.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear
Friday

Friday: Sunny, with a high near 84.
Sunny
Friday
Night
Friday Night: Clear, with a low around 57.
Clear
Lo 58 °F Hi 83 °F Lo 55 °F Hi 82 °F Lo 55 °F Hi 78 °F Lo 55 °F Hi 84 °F Lo 57 °F

 

Overnight
 
Clear, with a low around 58. Southwest wind around 9 mph.
Tuesday
 
Sunny, with a high near 83. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
 
Mostly clear, with a low around 55. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
 
Sunny, with a high near 82. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
 
Mostly clear, with a low around 55. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday
 
Sunny, with a high near 78.
Thursday Night
 
Mostly clear, with a low around 55.
Friday
 
Sunny, with a high near 84.
Friday Night
 
Clear, with a low around 57.
Independence Day
 
Sunny, with a high near 85.
Saturday Night
 
Mostly clear, with a low around 56.
Sunday
 
Mostly sunny, with a high near 82.
Sunday Night
 
Partly cloudy, with a low around 56.
Monday
 
Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Fairfield CA.