S
M
T
W
T
F
S
29
83°
55°
30
78°
55°
31
79°
55°
1
69°
47°
2
77°
46°
3
76°
47°
4
76°
50°
5
78°
49°
6
76°
48°
7
78°
52°
8
79°
47°
9
74°
46°
10
75°
47°
11
77°
46°
12
76°
44°
13
75°
47°
14
76°
39°
15
75°
44°
16
77°
45°
17
78°
45°
18
79°
46°
19
79°
46°
20
78°
45°
21
78°
45°
22
77°
43°
23
71°
37°
24
69°
38°
25
71°
39°
26
79°
46°
27
80°
47°
28
79°
46°
29
79°
47°
30
80°
48°
1
81°
49°
2
80°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Elgin
Elgin's April 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 37° and 52°. The average high for April is 77° with an average low of 46°. 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 Elgin. See also: May | June | July.