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