S
M
T
W
T
F
S
26
84°
68°
27
84°
68°
28
85°
67°
29
84°
67°
30
84°
62°
31
80°
60°
1
78°
62°
2
79°
62°
3
81°
66°
4
83°
65°
5
85°
67°
6
83°
68°
7
81°
66°
8
82°
62°
9
81°
60°
10
82°
61°
11
83°
66°
12
86°
68°
13
87°
66°
14
88°
67°
15
87°
68°
16
88°
67°
17
88°
59°
18
84°
57°
19
79°
57°
20
78°
58°
21
79°
57°
22
79°
57°
23
80°
58°
24
80°
58°
25
83°
59°
26
85°
58°
27
86°
57°
28
80°
57°
29
79°
55°
30
79°
55°
31
80°
59°
1
83°
56°
2
79°
55°
3
78°
62°
4
83°
61°
5
84°
62°
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 78° to 88°, with overnight lows between 55° and 68°. The average high for August is 82° with an average low of 62°. 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.