S
M
T
W
T
F
S
28
85°
67°
29
86°
65°
30
85°
69°
1
88°
72°
2
90°
70°
3
90°
67°
4
86°
67°
5
86°
74°
6
92°
74°
7
93°
72°
8
94°
73°
9
93°
67°
10
86°
66°
11
86°
68°
12
87°
75°
13
89°
76°
14
94°
75°
15
95°
77°
16
95°
77°
17
94°
74°
18
94°
73°
19
89°
73°
20
93°
68°
21
86°
69°
22
86°
69°
23
85°
68°
24
85°
68°
25
87°
69°
26
86°
68°
27
85°
73°
28
91°
74°
29
90°
72°
30
93°
71°
31
91°
71°
1
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Louis
St. Louis's July 2026 forecast shows daily high temperatures ranging from 85° to 95°, with overnight lows between 65° and 77°. The average high for July is 89° 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 St. Louis. See also: August | September | October.
