S
M
T
W
T
F
S
28
86°
70°
29
86°
69°
30
85°
69°
1
89°
70°
2
86°
73°
3
87°
73°
4
84°
72°
5
85°
73°
6
88°
74°
7
92°
75°
8
92°
74°
9
91°
74°
10
92°
75°
11
90°
73°
12
90°
74°
13
87°
74°
14
86°
73°
15
86°
74°
16
89°
72°
17
86°
68°
18
83°
69°
19
82°
67°
20
84°
67°
21
84°
68°
22
85°
67°
23
85°
68°
24
86°
69°
25
86°
71°
26
90°
73°
27
86°
68°
28
86°
67°
29
87°
73°
30
89°
69°
31
89°
73°
1
93°
69°
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 82° to 93°, with overnight lows between 67° and 75°. The average high for July is 87° with an average low of 71°. 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.
