S
M
T
W
T
F
S
29
60°
33°
30
74°
41°
31
75°
42°
1
43°
30°
2
64°
30°
3
61°
43°
4
57°
38°
5
43°
34°
6
48°
27°
7
39°
20°
8
61°
28°
9
65°
50°
10
50°
39°
11
59°
45°
12
76°
57°
13
74°
60°
14
79°
62°
15
70°
51°
16
68°
49°
17
73°
52°
18
62°
40°
19
56°
39°
20
62°
45°
21
67°
51°
22
68°
48°
23
61°
37°
24
54°
43°
25
62°
39°
26
53°
35°
27
54°
36°
28
59°
40°
29
63°
45°
30
65°
46°
1
67°
44°
2
57°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rockford
Rockford's April 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 35° and 62°. The average high for April is 64° 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 Rockford. See also: May | June | July.