S
M
T
W
T
F
S
29
47°
22°
30
65°
28°
31
44°
38°
1
44°
31°
2
43°
27°
3
65°
34°
4
55°
36°
5
45°
37°
6
38°
30°
7
35°
18°
8
46°
13°
9
64°
20°
10
65°
34°
11
45°
27°
12
51°
22°
13
61°
48°
14
68°
54°
15
68°
55°
16
68°
53°
17
66°
45°
18
73°
53°
19
61°
34°
20
41°
28°
21
46°
29°
22
61°
44°
23
57°
44°
24
58°
39°
25
59°
34°
26
53°
35°
27
50°
36°
28
53°
35°
29
52°
34°
30
52°
32°
1
53°
31°
2
50°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Belvidere
Belvidere's April 2026 forecast shows daily high temperatures ranging from 41° to 73°, with overnight lows between 28° and 55°. The average high for April is 58° with an average low of 40°. 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 Belvidere. See also: May | June | July.
