S
M
T
W
T
F
S
29
78°
57°
30
70°
60°
31
70°
65°
1
71°
62°
2
68°
61°
3
72°
56°
4
81°
52°
5
77°
53°
6
74°
60°
7
69°
60°
8
74°
59°
9
72°
62°
10
71°
63°
11
71°
61°
12
70°
58°
13
66°
58°
14
69°
55°
15
70°
54°
16
70°
54°
17
76°
54°
18
79°
55°
19
75°
56°
20
71°
54°
21
70°
58°
22
69°
58°
23
68°
59°
24
67°
58°
25
68°
60°
26
68°
59°
27
67°
58°
28
68°
58°
29
70°
57°
30
67°
55°
1
71°
58°
2
73°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Oak Park
Oak Park's April 2026 forecast shows daily high temperatures ranging from 67° to 79°, with overnight lows between 54° and 61°. The average high for April is 70° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Oak Park. See also: May | June | July.