S
M
T
W
T
F
S
29
46°
31°
30
65°
27°
31
48°
37°
1
44°
30°
2
47°
29°
3
72°
38°
4
47°
35°
5
48°
34°
6
45°
30°
7
35°
22°
8
44°
18°
9
60°
33°
10
45°
37°
11
52°
33°
12
46°
28°
13
66°
45°
14
69°
44°
15
63°
43°
16
70°
49°
17
64°
41°
18
71°
39°
19
48°
31°
20
43°
27°
21
48°
24°
22
66°
36°
23
62°
36°
24
55°
38°
25
52°
36°
26
59°
38°
27
64°
45°
28
56°
44°
29
57°
39°
30
56°
40°
1
53°
42°
2
50°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Belleville
Belleville's April 2026 forecast shows daily high temperatures ranging from 50° to 64°, with overnight lows between 36° and 45°. The average high for April is 56° 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 Belleville. See also: May | June | July.
