S
M
T
W
T
F
S
26
85°
68°
27
83°
60°
28
78°
64°
29
82°
65°
30
81°
63°
31
81°
58°
1
80°
59°
2
79°
58°
3
78°
59°
4
79°
58°
5
79°
58°
6
80°
60°
7
80°
60°
8
79°
66°
9
82°
67°
10
84°
64°
11
85°
66°
12
85°
64°
13
83°
60°
14
87°
58°
15
78°
58°
16
78°
59°
17
79°
59°
18
79°
58°
19
77°
57°
20
77°
57°
21
78°
58°
22
77°
60°
23
77°
59°
24
78°
60°
25
77°
61°
26
78°
65°
27
82°
65°
28
84°
63°
29
85°
55°
30
83°
59°
31
76°
56°
1
76°
57°
2
75°
62°
3
81°
54°
4
79°
55°
5
75°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oak Park
Oak Park's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 54° and 68°. The average high for August is 80° 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 Oak Park. See also: September | October | November.
