S
M
T
W
T
F
S
27
75°
58°
28
82°
55°
29
86°
50°
30
95°
64°
1
93°
71°
2
74°
56°
3
78°
50°
4
83°
48°
5
79°
50°
6
80°
45°
7
89°
48°
8
86°
51°
9
89°
49°
10
77°
53°
11
85°
60°
12
93°
65°
13
89°
64°
14
77°
60°
15
78°
57°
16
71°
49°
17
68°
47°
18
65°
43°
19
66°
46°
20
65°
47°
21
70°
48°
22
69°
44°
23
61°
39°
24
63°
42°
25
66°
45°
26
72°
44°
27
67°
42°
28
60°
37°
29
58°
41°
30
63°
44°
31
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Belleville
Belleville's October 2026 forecast shows daily high temperatures ranging from 58° to 93°, with overnight lows between 37° and 65°. The average high for October is 71° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Belleville. See also: November | December | January.
