S
M
T
W
T
F
S
28
93°
70°
29
96°
72°
30
95°
73°
1
94°
71°
2
96°
73°
3
92°
72°
4
90°
68°
5
90°
68°
6
89°
67°
7
84°
64°
8
84°
64°
9
85°
65°
10
86°
71°
11
89°
71°
12
91°
70°
13
87°
68°
14
87°
71°
15
86°
68°
16
85°
66°
17
86°
67°
18
87°
67°
19
89°
71°
20
92°
67°
21
85°
64°
22
85°
65°
23
86°
65°
24
89°
70°
25
92°
72°
26
90°
71°
27
87°
70°
28
86°
68°
29
88°
71°
30
92°
72°
31
91°
71°
1
87°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Fairview Heights
Fairview Heights's July 2026 forecast shows daily high temperatures ranging from 84° to 96°, with overnight lows between 64° and 73°. The average high for July is 89° with an average low of 69°. 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 Fairview Heights. See also: August | September | October.
