S
M
T
W
T
F
S
29
77°
30°
30
75°
33°
31
44°
33°
1
47°
31°
2
41°
31°
3
33°
28°
4
49°
29°
5
61°
31°
6
40°
26°
7
59°
39°
8
60°
28°
9
50°
26°
10
57°
42°
11
78°
51°
12
83°
48°
13
62°
31°
14
44°
28°
15
56°
36°
16
67°
45°
17
68°
42°
18
65°
46°
19
67°
43°
20
62°
36°
21
53°
34°
22
52°
34°
23
54°
34°
24
56°
37°
25
65°
44°
26
68°
43°
27
68°
44°
28
67°
45°
29
68°
46°
30
63°
46°
1
65°
45°
2
69°
46°
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 44° to 83°, with overnight lows between 26° and 51°. The average high for April is 63° 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.
