S
M
T
W
T
F
S
28
94°
73°
29
95°
74°
30
96°
74°
1
96°
74°
2
95°
76°
3
93°
75°
4
95°
72°
5
91°
73°
6
89°
73°
7
89°
71°
8
89°
71°
9
90°
70°
10
90°
69°
11
90°
72°
12
92°
72°
13
92°
71°
14
90°
68°
15
85°
64°
16
86°
65°
17
85°
64°
18
86°
66°
19
92°
72°
20
92°
72°
21
93°
71°
22
92°
71°
23
93°
72°
24
94°
72°
25
93°
73°
26
93°
73°
27
94°
72°
28
94°
73°
29
95°
71°
30
94°
72°
31
94°
72°
1
92°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in O'Fallon Township
O'Fallon Township's July 2026 forecast shows daily high temperatures ranging from 85° to 96°, with overnight lows between 64° and 76°. The average high for July is 92° with an average low of 71°. 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 O'Fallon Township. See also: August | September | October.
