S
M
T
W
T
F
S
28
71°
53°
29
76°
54°
30
68°
54°
1
76°
53°
2
78°
51°
3
84°
55°
4
87°
57°
5
85°
51°
6
84°
51°
7
91°
60°
8
85°
54°
9
84°
53°
10
86°
56°
11
81°
49°
12
82°
50°
13
87°
54°
14
90°
57°
15
92°
56°
16
90°
57°
17
91°
55°
18
89°
56°
19
84°
51°
20
82°
56°
21
87°
57°
22
88°
57°
23
90°
58°
24
90°
59°
25
89°
58°
26
88°
57°
27
88°
57°
28
87°
56°
29
86°
57°
30
84°
56°
31
88°
57°
1
89°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Fairfield
Fairfield's July 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 49° and 60°. The average high for July is 87° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Fairfield. See also: August | September | October.