S
M
T
W
T
F
S
26
87°
68°
27
88°
69°
28
88°
68°
29
87°
69°
30
88°
68°
31
87°
68°
1
81°
65°
2
80°
62°
3
80°
64°
4
81°
67°
5
80°
67°
6
81°
66°
7
82°
65°
8
84°
65°
9
84°
66°
10
85°
67°
11
84°
67°
12
86°
66°
13
85°
67°
14
88°
65°
15
89°
65°
16
84°
66°
17
81°
64°
18
84°
66°
19
83°
60°
20
83°
58°
21
80°
57°
22
78°
57°
23
80°
58°
24
80°
57°
25
81°
58°
26
80°
62°
27
82°
62°
28
84°
58°
29
79°
58°
30
79°
57°
31
78°
56°
1
77°
58°
2
79°
59°
3
78°
56°
4
78°
55°
5
79°
57°
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 77° to 89°, with overnight lows between 55° and 69°. The average high for August is 82° with an average low of 63°. 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.