S
M
T
W
T
F
S
26
87°
54°
27
91°
56°
28
90°
55°
29
84°
54°
30
81°
53°
31
82°
54°
1
86°
54°
2
90°
56°
3
87°
43°
4
82°
45°
5
83°
48°
6
90°
53°
7
91°
52°
8
84°
44°
9
81°
50°
10
82°
52°
11
88°
53°
12
87°
53°
13
90°
52°
14
89°
51°
15
85°
51°
16
88°
52°
17
88°
45°
18
87°
51°
19
85°
45°
20
78°
45°
21
78°
46°
22
77°
39°
23
74°
41°
24
77°
41°
25
78°
44°
26
84°
48°
27
84°
50°
28
85°
48°
29
82°
47°
30
83°
48°
31
84°
49°
1
84°
48°
2
83°
46°
3
83°
45°
4
81°
42°
5
79°
39°
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 91°, with overnight lows between 39° and 56°. The average high for August is 84° with an average low of 49°. 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.