S
M
T
W
T
F
S
26
89°
68°
27
84°
69°
28
82°
66°
29
80°
63°
30
85°
60°
31
77°
67°
1
71°
65°
2
78°
66°
3
83°
62°
4
85°
65°
5
82°
69°
6
81°
66°
7
83°
67°
8
86°
66°
9
87°
67°
10
85°
70°
11
81°
66°
12
79°
64°
13
78°
63°
14
81°
63°
15
80°
64°
16
80°
64°
17
82°
63°
18
82°
63°
19
87°
68°
20
82°
67°
21
84°
67°
22
85°
68°
23
85°
68°
24
82°
67°
25
82°
67°
26
84°
66°
27
81°
64°
28
78°
66°
29
82°
65°
30
83°
66°
31
83°
66°
1
84°
65°
2
79°
65°
3
81°
64°
4
81°
64°
5
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Crest Hill
Crest Hill's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 63° and 70°. The average high for August is 82° with an average low of 66°. 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 Crest Hill. See also: September | October | November.
