S
M
T
W
T
F
S
26
96°
77°
27
100°
75°
28
100°
77°
29
100°
77°
30
95°
72°
31
94°
74°
1
91°
72°
2
96°
73°
3
93°
73°
4
92°
72°
5
93°
74°
6
89°
73°
7
94°
74°
8
93°
73°
9
91°
74°
10
93°
74°
11
93°
73°
12
94°
74°
13
94°
74°
14
93°
73°
15
92°
74°
16
93°
74°
17
89°
73°
18
86°
72°
19
89°
73°
20
88°
71°
21
89°
71°
22
90°
70°
23
88°
69°
24
87°
71°
25
87°
72°
26
88°
72°
27
88°
71°
28
86°
72°
29
86°
72°
30
87°
71°
31
87°
71°
1
86°
70°
2
88°
69°
3
88°
70°
4
87°
67°
5
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Clayton
Clayton's August 2026 forecast shows daily high temperatures ranging from 86° to 100°, with overnight lows between 67° and 77°. The average high for August 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 August weather will actually feel in Clayton. See also: September | October | November.