S
M
T
W
T
F
S
29
70°
45°
30
75°
55°
31
77°
63°
1
80°
59°
2
84°
57°
3
82°
66°
4
81°
63°
5
64°
46°
6
66°
43°
7
70°
46°
8
N/A
9
75°
46°
10
79°
51°
11
83°
53°
12
88°
63°
13
83°
61°
14
87°
63°
15
87°
64°
16
80°
55°
17
80°
59°
18
81°
59°
19
82°
58°
20
80°
60°
21
73°
46°
22
72°
52°
23
76°
53°
24
76°
54°
25
74°
52°
26
74°
50°
27
72°
52°
28
75°
53°
29
77°
54°
30
78°
55°
1
76°
55°
2
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Belleville
Belleville's April 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 46° and 64°. The average high for April is 78° with an average low of 55°. 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.