S
M
T
W
T
F
S
28
93°
73°
29
93°
73°
30
96°
77°
1
95°
74°
2
96°
72°
3
93°
75°
4
91°
71°
5
87°
68°
6
87°
69°
7
88°
71°
8
87°
70°
9
85°
72°
10
88°
71°
11
84°
71°
12
87°
71°
13
88°
67°
14
91°
67°
15
N/A
16
90°
73°
17
86°
74°
18
92°
76°
19
91°
71°
20
93°
75°
21
89°
70°
22
87°
70°
23
88°
71°
24
91°
70°
25
90°
74°
26
94°
74°
27
92°
73°
28
92°
72°
29
89°
71°
30
85°
74°
31
93°
75°
1
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in St. Louis
St. Louis's July 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 70° and 76°. The average high for July is 90° with an average low of 73°. 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.
