S
M
T
W
T
F
S
26
78°
63°
27
79°
66°
28
79°
64°
29
80°
65°
30
80°
70°
31
85°
69°
1
86°
70°
2
87°
70°
3
85°
69°
4
85°
63°
5
79°
61°
6
78°
61°
7
77°
62°
8
77°
61°
9
78°
61°
10
79°
64°
11
80°
66°
12
82°
68°
13
84°
69°
14
85°
68°
15
86°
65°
16
85°
62°
17
77°
61°
18
78°
61°
19
79°
62°
20
78°
61°
21
75°
63°
22
78°
61°
23
80°
67°
24
83°
68°
25
77°
60°
26
81°
60°
27
78°
67°
28
76°
67°
29
83°
66°
30
84°
67°
31
82°
65°
1
80°
64°
2
81°
62°
3
80°
63°
4
75°
65°
5
82°
63°
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 60° and 70°. The average high for August is 81° with an average low of 65°. 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.
