S
M
T
W
T
F
S
29
63°
41°
30
81°
52°
31
69°
41°
1
42°
37°
2
71°
39°
3
63°
40°
4
60°
41°
5
53°
38°
6
52°
34°
7
38°
30°
8
71°
37°
9
67°
43°
10
49°
39°
11
54°
50°
12
74°
62°
13
77°
64°
14
74°
60°
15
68°
56°
16
64°
53°
17
65°
49°
18
56°
50°
19
59°
52°
20
66°
52°
21
59°
49°
22
58°
43°
23
52°
48°
24
57°
49°
25
63°
46°
26
54°
42°
27
53°
41°
28
54°
50°
29
63°
52°
30
63°
51°
1
65°
47°
2
55°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Chicago
Chicago's April 2026 forecast shows daily high temperatures ranging from 49° to 77°, with overnight lows between 39° and 64°. The average high for April is 61° with an average low of 50°. 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 Chicago. See also: May | June | July.
