S
M
T
W
T
F
S
26
62°
50°
27
62°
51°
28
67°
46°
29
71°
48°
30
69°
49°
1
71°
52°
2
71°
51°
3
63°
54°
4
64°
52°
5
64°
50°
6
68°
48°
7
73°
53°
8
69°
53°
9
72°
51°
10
72°
49°
11
77°
52°
12
67°
52°
13
68°
55°
14
70°
54°
15
64°
54°
16
69°
53°
17
69°
52°
18
77°
55°
19
85°
54°
20
84°
60°
21
75°
56°
22
70°
53°
23
69°
54°
24
74°
52°
25
73°
54°
26
68°
54°
27
68°
50°
28
70°
52°
29
80°
54°
30
82°
55°
31
85°
56°
1
86°
57°
2
85°
56°
3
85°
57°
4
86°
56°
5
84°
57°
6
83°
55°
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 86°, with overnight lows between 50° and 57°. The average high for May is 79° with an average low of 55°. 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.
