S
M
T
W
T
F
S
26
83°
56°
27
79°
56°
28
72°
57°
29
81°
60°
30
71°
52°
1
67°
46°
2
69°
50°
3
71°
40°
4
79°
40°
5
79°
50°
6
72°
63°
7
71°
52°
8
72°
44°
9
77°
49°
10
83°
53°
11
78°
56°
12
75°
54°
13
81°
51°
14
76°
52°
15
79°
55°
16
84°
62°
17
88°
63°
18
89°
66°
19
85°
69°
20
79°
63°
21
79°
59°
22
82°
61°
23
81°
60°
24
82°
60°
25
82°
59°
26
81°
61°
27
84°
63°
28
83°
58°
29
82°
63°
30
79°
62°
31
79°
58°
1
80°
59°
2
83°
61°
3
84°
62°
4
85°
64°
5
86°
64°
6
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oak Park
Oak Park's May 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 55° and 69°. The average high for May is 83° 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 May weather will actually feel in Oak Park. See also: June | July | August.
