S
M
T
W
T
F
S
28
84°
56°
29
90°
67°
30
91°
74°
1
93°
77°
2
92°
73°
3
90°
70°
4
82°
68°
5
78°
56°
6
83°
54°
7
87°
59°
8
88°
66°
9
86°
62°
10
82°
58°
11
80°
57°
12
82°
58°
13
83°
61°
14
83°
59°
15
81°
60°
16
83°
58°
17
78°
59°
18
83°
60°
19
79°
63°
20
78°
56°
21
77°
56°
22
77°
57°
23
79°
61°
24
79°
60°
25
82°
62°
26
82°
62°
27
78°
61°
28
85°
64°
29
84°
64°
30
84°
63°
31
83°
64°
1
85°
64°
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 77° to 88°, with overnight lows between 54° and 66°. The average high for July is 82° with an average low of 60°. 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.
