S
M
T
W
T
F
S
26
93°
73°
27
91°
72°
28
97°
72°
29
91°
70°
30
90°
64°
31
88°
66°
1
86°
66°
2
84°
70°
3
86°
70°
4
88°
70°
5
88°
68°
6
86°
70°
7
88°
68°
8
90°
68°
9
91°
70°
10
93°
70°
11
95°
70°
12
93°
68°
13
89°
69°
14
90°
69°
15
91°
69°
16
92°
68°
17
94°
69°
18
90°
66°
19
89°
68°
20
90°
67°
21
89°
65°
22
88°
66°
23
89°
67°
24
87°
65°
25
86°
66°
26
85°
63°
27
86°
66°
28
84°
66°
29
82°
65°
30
85°
66°
31
85°
66°
1
82°
65°
2
84°
66°
3
85°
66°
4
85°
65°
5
84°
65°
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 82° to 94°, with overnight lows between 63° and 69°. The average high for August is 87° with an average low of 66°. 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.