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