S
M
T
W
T
F
S
26
87°
70°
27
87°
70°
28
86°
69°
29
86°
69°
30
84°
66°
31
79°
63°
1
80°
67°
2
77°
67°
3
79°
64°
4
84°
68°
5
85°
69°
6
84°
67°
7
79°
64°
8
78°
65°
9
78°
65°
10
81°
65°
11
82°
67°
12
84°
68°
13
85°
68°
14
86°
67°
15
85°
68°
16
87°
63°
17
85°
59°
18
78°
57°
19
76°
57°
20
76°
58°
21
77°
57°
22
78°
58°
23
77°
58°
24
78°
59°
25
80°
62°
26
82°
59°
27
81°
58°
28
76°
57°
29
77°
60°
30
80°
64°
31
81°
56°
1
81°
56°
2
76°
55°
3
75°
60°
4
77°
64°
5
82°
56°
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 75° to 87°, with overnight lows between 55° and 70°. The average high for August is 81° 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 Crestwood. See also: September | October | November.