December 2025 Weather | Fairfield, California

Today 12/14
Cloudy Weather
Day 46°
Night 37°
49
Mon 12/15
Cloudy Weather
Day 57°
Night 41°
1
Tue 12/16
Cloudy Weather
Day 59°
Night 52°
25
Wed 12/17
Cloudy Weather
Day 64°
Night 46°
25
Thu 12/18
Cloudy Weather
Day 63°
Night 48°
9
Fri 12/19
Rainy Weather
Day 61°
Night 54°
87
Sat 12/20
Rainy Weather
Day 63°
Night 52°
55
Sun 12/21
Rainy Weather
Day 61°
Night 52°
66
Mon 12/22
Rainy Weather
Day 61°
Night 48°
60
Tue 12/23
Cloudy Weather
Day 57°
Night 45°
30
Wed 12/24
Cloudy Weather
Day 54°
Night 39°
25
Thu 12/25
Cloudy Weather
Day 52°
Night 45°
30
Fri 12/26
Cloudy Weather
Day 59°
Night 46°
30
Sat 12/27
Cloudy Weather
Day 55°
Night 39°
25
Sun 12/28
Cloudy Weather
Day 52°
Night 37°
25
Mon 12/29
Cloudy Weather
Day 54°
Night 37°
25
Tue 12/30
Cloudy Weather
Day 55°
Night 37°
25
Wed 12/31
Rainy Weather
Day 54°
Night 43°
75