S
M
T
W
T
F
S
26
81°
62°
27
86°
66°
28
87°
67°
29
85°
68°
30
87°
63°
31
87°
59°
1
84°
66°
2
86°
59°
3
80°
58°
4
79°
58°
5
78°
57°
6
79°
59°
7
80°
57°
8
80°
57°
9
81°
58°
10
80°
59°
11
82°
65°
12
83°
65°
13
82°
67°
14
87°
65°
15
87°
57°
16
82°
60°
17
83°
56°
18
78°
56°
19
78°
62°
20
78°
64°
21
80°
64°
22
82°
65°
23
86°
64°
24
83°
56°
25
85°
59°
26
78°
54°
27
77°
55°
28
78°
56°
29
85°
60°
30
82°
62°
31
Hist. Avg.
80°
60°
1
Hist. Avg.
80°
60°
2
Hist. Avg.
80°
60°
3
Hist. Avg.
79°
60°
4
Hist. Avg.
79°
59°
5
Hist. Avg.
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Carpentersville
Carpentersville's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 54° and 68°. The average high for August is 82° with an average low of 61°. 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 Carpentersville. See also: September | October | November.
