S
M
T
W
T
F
S
28
94°
76°
29
94°
76°
30
98°
75°
1
96°
76°
2
96°
76°
3
97°
75°
4
97°
76°
5
97°
76°
6
97°
75°
7
92°
73°
8
94°
74°
9
95°
75°
10
95°
74°
11
94°
74°
12
88°
78°
13
94°
76°
14
94°
75°
15
92°
75°
16
90°
72°
17
87°
70°
18
88°
70°
19
90°
73°
20
92°
74°
21
90°
75°
22
91°
75°
23
94°
74°
24
93°
75°
25
94°
74°
26
93°
75°
27
93°
75°
28
94°
74°
29
94°
75°
30
93°
75°
31
94°
74°
1
94°
76°
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 87° to 98°, with overnight lows between 70° and 78°. The average high for July is 93° with an average low of 75°. 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.