S
M
T
W
T
F
S
26
86°
69°
27
80°
66°
28
80°
63°
29
81°
66°
30
85°
69°
31
86°
68°
1
83°
67°
2
85°
67°
3
86°
61°
4
81°
61°
5
80°
64°
6
81°
61°
7
80°
60°
8
81°
59°
9
81°
59°
10
82°
65°
11
82°
64°
12
83°
65°
13
87°
60°
14
80°
60°
15
81°
61°
16
80°
61°
17
80°
60°
18
81°
60°
19
80°
59°
20
81°
60°
21
83°
64°
22
85°
67°
23
86°
67°
24
87°
66°
25
88°
65°
26
87°
62°
27
84°
65°
28
85°
64°
29
83°
58°
30
83°
57°
31
79°
55°
1
77°
57°
2
77°
57°
3
78°
58°
4
78°
56°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kankakee
Kankakee's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 55° and 69°. The average high for August is 82° with an average low of 62°. 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 Kankakee. See also: September | October | November.
