S
M
T
W
T
F
S
26
85°
66°
27
80°
63°
28
79°
60°
29
80°
62°
30
83°
67°
31
86°
67°
1
84°
66°
2
82°
66°
3
87°
62°
4
81°
59°
5
80°
61°
6
81°
59°
7
80°
58°
8
79°
59°
9
79°
57°
10
80°
60°
11
82°
65°
12
85°
65°
13
85°
58°
14
80°
57°
15
80°
59°
16
79°
63°
17
79°
57°
18
80°
58°
19
79°
57°
20
80°
57°
21
82°
61°
22
84°
63°
23
85°
64°
24
84°
64°
25
85°
63°
26
86°
61°
27
84°
62°
28
83°
63°
29
83°
61°
30
81°
55°
31
77°
52°
1
75°
54°
2
75°
54°
3
76°
55°
4
76°
53°
5
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Crestwood
Crestwood's August 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 52° and 67°. The average high for August is 81° with an average low of 60°. 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 Crestwood. See also: September | October | November.