S
M
T
W
T
F
S
28
85°
65°
29
84°
66°
30
85°
67°
1
87°
70°
2
90°
71°
3
89°
70°
4
88°
72°
5
90°
74°
6
90°
75°
7
93°
74°
8
93°
75°
9
92°
74°
10
90°
74°
11
93°
72°
12
92°
70°
13
86°
68°
14
84°
67°
15
85°
68°
16
86°
67°
17
86°
67°
18
89°
68°
19
90°
67°
20
86°
69°
21
85°
72°
22
87°
68°
23
86°
71°
24
89°
74°
25
91°
69°
26
Hist. Avg.
89°
69°
27
Hist. Avg.
89°
69°
28
Hist. Avg.
89°
69°
29
Hist. Avg.
89°
69°
30
Hist. Avg.
89°
69°
31
Hist. Avg.
89°
69°
1
Hist. Avg.
89°
69°
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 84° to 93°, with overnight lows between 65° and 75°. The average high for July is 88° with an average low of 70°. 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.
