S
M
T
W
T
F
S
28
71°
55°
29
70°
52°
30
71°
50°
1
74°
52°
2
73°
50°
3
67°
50°
4
67°
49°
5
68°
51°
6
67°
49°
7
68°
49°
8
69°
54°
9
74°
55°
10
75°
55°
11
73°
54°
12
72°
55°
13
76°
56°
14
78°
55°
15
78°
56°
16
76°
55°
17
75°
56°
18
78°
55°
19
73°
55°
20
78°
57°
21
79°
58°
22
80°
58°
23
80°
56°
24
76°
50°
25
69°
51°
26
72°
56°
27
81°
56°
28
81°
55°
29
79°
48°
30
80°
47°
31
75°
43°
1
71°
45°
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 67° to 81°, with overnight lows between 43° and 58°. The average high for July is 74° with an average low of 53°. 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.
