S
M
T
W
T
F
S
26
81°
65°
27
85°
66°
28
83°
68°
29
80°
64°
30
84°
59°
31
86°
64°
1
79°
68°
2
76°
65°
3
80°
61°
4
82°
58°
5
84°
63°
6
86°
67°
7
84°
70°
8
86°
70°
9
87°
68°
10
89°
73°
11
78°
67°
12
70°
63°
13
84°
64°
14
81°
68°
15
83°
70°
16
84°
70°
17
81°
62°
18
82°
64°
19
78°
62°
20
76°
60°
21
79°
60°
22
80°
59°
23
79°
58°
24
80°
59°
25
83°
61°
26
84°
63°
27
82°
62°
28
82°
63°
29
83°
60°
30
79°
59°
31
77°
59°
1
81°
64°
2
81°
62°
3
76°
58°
4
74°
55°
5
76°
56°
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 74° to 84°, with overnight lows between 55° and 70°. The average high for August is 80° with an average low of 61°. 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.