S
M
T
W
T
F
S
26
87°
68°
27
83°
68°
28
82°
65°
29
84°
68°
30
87°
69°
31
88°
69°
1
84°
68°
2
86°
69°
3
88°
60°
4
81°
61°
5
82°
63°
6
81°
62°
7
83°
61°
8
82°
60°
9
82°
61°
10
84°
65°
11
86°
64°
12
83°
61°
13
88°
60°
14
81°
61°
15
81°
65°
16
82°
62°
17
81°
60°
18
81°
60°
19
80°
58°
20
81°
61°
21
83°
65°
22
86°
67°
23
87°
67°
24
88°
66°
25
88°
63°
26
87°
62°
27
85°
65°
28
83°
64°
29
83°
58°
30
84°
57°
31
80°
55°
1
79°
56°
2
78°
59°
3
78°
60°
4
79°
56°
5
82°
55°
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 69°. The average high for August is 83° 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.