S
M
T
W
T
F
S
26
62°
47°
27
78°
45°
28
75°
56°
29
64°
49°
30
57°
43°
1
55°
39°
2
51°
33°
3
63°
33°
4
73°
49°
5
72°
58°
6
62°
46°
7
60°
40°
8
68°
42°
9
73°
54°
10
68°
52°
11
70°
43°
12
73°
44°
13
70°
49°
14
65°
47°
15
70°
41°
16
77°
55°
17
85°
62°
18
90°
67°
19
88°
65°
20
70°
48°
21
74°
55°
22
68°
64°
23
75°
64°
24
78°
62°
25
77°
67°
26
79°
65°
27
78°
64°
28
82°
65°
29
80°
63°
30
83°
65°
31
82°
66°
1
79°
58°
2
80°
63°
3
80°
61°
4
74°
59°
5
75°
57°
6
77°
63°
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 68° to 88°, with overnight lows between 48° and 67°. The average high for May is 78° 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.
