S
M
T
W
T
F
S
26
84°
60°
27
84°
63°
28
85°
63°
29
85°
62°
30
84°
63°
31
86°
64°
1
86°
62°
2
85°
63°
3
85°
62°
4
83°
61°
5
84°
63°
6
86°
62°
7
81°
57°
8
80°
61°
9
83°
61°
10
83°
62°
11
85°
62°
12
84°
61°
13
86°
62°
14
84°
61°
15
83°
60°
16
82°
61°
17
82°
61°
18
82°
60°
19
83°
60°
20
84°
59°
21
83°
56°
22
77°
50°
23
76°
49°
24
74°
49°
25
76°
50°
26
77°
52°
27
80°
57°
28
78°
57°
29
76°
56°
30
74°
57°
31
77°
56°
1
80°
53°
2
79°
48°
3
71°
53°
4
73°
55°
5
70°
49°
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 70° to 86°, with overnight lows between 48° and 64°. The average high for August is 81° with an average low of 58°. 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.
