S
M
T
W
T
F
S
31
78°
56°
1
77°
62°
2
77°
56°
3
80°
56°
4
82°
61°
5
84°
63°
6
87°
72°
7
88°
69°
8
81°
72°
9
88°
72°
10
90°
72°
11
89°
66°
12
81°
60°
13
85°
68°
14
77°
58°
15
74°
55°
16
78°
56°
17
76°
63°
18
79°
64°
19
82°
63°
20
87°
68°
21
84°
68°
22
83°
64°
23
83°
65°
24
82°
64°
25
80°
67°
26
82°
64°
27
79°
61°
28
79°
60°
29
80°
62°
30
82°
68°
1
82°
68°
2
80°
67°
3
81°
65°
4
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Belleville
Belleville's June 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 55° and 68°. The average high for June is 81° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Belleville. See also: July | August | September.