National Weather Service Forecast for: Fairfield CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:36 pm PST Dec 22, 2025
 
This
Afternoon
This Afternoon: Rain likely. Cloudy, with a high near 58. South southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

 Tonight

Tonight: Rain likely, mainly before 1am. Patchy fog after midnight. Otherwise, cloudy, with a steady temperature around 56. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
then Chance
Rain and
Patchy Fog
 Tuesday

Tuesday: Rain, mainly after 4pm. Areas of dense fog before 11am. High near 59. East southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Slight Chance
Rain and
Areas Dense
Fog then Rain
 Tuesday
Night
Tuesday Night: Rain, mainly before 4am. Low around 51. Breezy, with a south southeast wind 17 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain and
Breezy

 Wednesday

Wednesday: Rain, mainly between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 56. South southwest wind 11 to 18 mph becoming southeast in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 52. Breezy. Chance of precipitation is 100%.
Showers and
Breezy

 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 1pm, then rain between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 54. Breezy. Chance of precipitation is 100%.
Showers and
Breezy

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 47.
Showers

 Friday

Friday: Rain, mainly before 4pm. Mostly cloudy, with a high near 51.
Rain
Hi 58 °F Lo 56 °F Hi 59 °F Lo 51 °F Hi 56 °F Lo 52 °F Hi 54 °F Lo 47 °F Hi 51 °F

Flood Watch
High Wind Watch
 

This Afternoon
 
 Rain likely. Cloudy, with a high near 58. South southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 Rain likely, mainly before 1am. Patchy fog after midnight. Otherwise, cloudy, with a steady temperature around 56. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Rain, mainly after 4pm. Areas of dense fog before 11am. High near 59. East southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Rain, mainly before 4am. Low around 51. Breezy, with a south southeast wind 17 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Rain, mainly between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 56. South southwest wind 11 to 18 mph becoming southeast in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Wednesday Night
 
 Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 52. Breezy. Chance of precipitation is 100%.
Christmas Day
 
 Showers and possibly a thunderstorm before 1pm, then rain between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 54. Breezy. Chance of precipitation is 100%.
Thursday Night
 
 Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 47.
Friday
 
 Rain, mainly before 4pm. Mostly cloudy, with a high near 51.
Friday Night
 
 A chance of rain, mainly before 10pm. Partly cloudy, with a low around 42.
Saturday
 
 Mostly sunny, with a high near 50.
Saturday Night
 
 Mostly clear, with a low around 37.
Sunday
 
 Sunny, with a high near 48.
Sunday Night
 
 Partly cloudy, with a low around 37.
Monday
 
 Sunny, with a high near 49.

 

Forecast from NOAA-NWS for Fairfield CA.