S
M
T
W
T
F
S
29
63°
41°
30
81°
50°
31
68°
39°
1
40°
36°
2
70°
38°
3
62°
39°
4
56°
41°
5
53°
37°
6
51°
32°
7
39°
28°
8
71°
35°
9
70°
44°
10
54°
38°
11
56°
35°
12
81°
56°
13
79°
62°
14
82°
57°
15
72°
60°
16
74°
49°
17
81°
49°
18
63°
40°
19
50°
36°
20
56°
33°
21
76°
50°
22
73°
51°
23
81°
52°
24
71°
48°
25
56°
43°
26
59°
42°
27
68°
47°
28
65°
49°
29
57°
40°
30
57°
38°
1
51°
38°
2
59°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Glendale Heights
Glendale Heights's April 2026 forecast shows daily high temperatures ranging from 51° to 65°, with overnight lows between 38° and 49°. The average high for April is 58° with an average low of 41°. 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 Glendale Heights. See also: May | June | July.
