National Weather Service Forecast for: Fairfield CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Dec 22, 2025
 
Today

Today: Showers. Patchy fog before 11am. High near 58. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers and
Patchy Fog
 Tonight

Tonight: Showers likely, mainly before 3am. Patchy fog between 11pm and 5am. Otherwise, cloudy, with a steady temperature around 56. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely and
Patchy Fog
 Tuesday

Tuesday: Showers likely, mainly after 10am. Patchy fog between 9am and noon. Otherwise, cloudy, with a high near 58. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely and
Patchy Fog
 Tuesday
Night
Tuesday Night: Showers. Patchy fog before 10pm. Low around 50. South wind 16 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Showers and
Patchy Fog
 Wednesday

Wednesday: Showers, with thunderstorms also possible after 4pm. High near 54. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%.
Showers

 Christmas
Day
Christmas Day: Showers. High near 53. Breezy. Chance of precipitation is 100%.
Showers and
Breezy
 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 47.
Showers

 Friday

Friday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 50.
Showers
Likely
Hi 58 °F Lo 56 °F Hi 58 °F Lo 50 °F Hi 54 °F Lo 51 °F Hi 53 °F Lo 47 °F Hi 50 °F

Flood Watch
 

Today
 
 Showers. Patchy fog before 11am. High near 58. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
 
 Showers likely, mainly before 3am. Patchy fog between 11pm and 5am. Otherwise, cloudy, with a steady temperature around 56. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
 Showers likely, mainly after 10am. Patchy fog between 9am and noon. Otherwise, cloudy, with a high near 58. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Showers. Patchy fog before 10pm. Low around 50. South wind 16 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
 
 Showers, with thunderstorms also possible after 4pm. High near 54. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%.
Christmas Day
 
 Showers. High near 53. Breezy. Chance of precipitation is 100%.
Thursday Night
 
 Showers. Cloudy, with a low around 47.
Friday
 
 Showers likely, mainly before 4pm. Mostly cloudy, with a high near 50.
Friday Night
 
 A chance of showers, mainly before 10pm. Partly cloudy, with a low around 41.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 49.
Saturday Night
 
 Partly cloudy, with a low around 38.
Sunday
 
 Partly sunny, with a high near 48.

 

Forecast from NOAA-NWS for Fairfield CA.