S
M
T
W
T
F
S
27
64°
57°
28
67°
57°
29
71°
60°
30
76°
60°
1
84°
59°
2
81°
56°
3
71°
48°
4
61°
47°
5
69°
52°
6
64°
38°
7
75°
37°
8
73°
44°
9
72°
38°
10
70°
40°
11
58°
54°
12
70°
54°
13
83°
50°
14
82°
58°
15
69°
54°
16
79°
56°
17
56°
35°
18
62°
29°
19
69°
29°
20
70°
31°
21
66°
30°
22
67°
28°
23
64°
35°
24
62°
36°
25
64°
39°
26
71°
43°
27
64°
41°
28
57°
43°
29
69°
44°
30
67°
43°
31
53°
41°
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 53° to 71°, with overnight lows between 35° and 44°. The average high for October is 63° with an average low of 41°. 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.
