S
M
T
W
T
F
S
28
96°
73°
29
96°
75°
30
97°
74°
1
98°
76°
2
98°
77°
3
96°
78°
4
94°
74°
5
95°
74°
6
94°
73°
7
90°
73°
8
91°
70°
9
89°
70°
10
93°
75°
11
93°
74°
12
90°
74°
13
90°
73°
14
91°
74°
15
92°
74°
16
92°
75°
17
93°
76°
18
93°
76°
19
92°
75°
20
92°
76°
21
93°
76°
22
94°
77°
23
93°
76°
24
91°
75°
25
92°
76°
26
93°
76°
27
94°
77°
28
95°
76°
29
95°
76°
30
94°
75°
31
93°
75°
1
93°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Affton
Affton's July 2026 forecast shows daily high temperatures ranging from 89° to 98°, with overnight lows between 70° and 78°. The average high for July is 93° with an average low of 75°. 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 Affton. See also: August | September | October.
