S
M
T
W
T
F
S
27
73°
46°
28
74°
49°
29
76°
50°
30
78°
56°
1
85°
65°
2
75°
51°
3
68°
46°
4
75°
46°
5
68°
46°
6
69°
43°
7
78°
49°
8
75°
52°
9
79°
56°
10
74°
58°
11
68°
57°
12
79°
60°
13
78°
53°
14
74°
57°
15
69°
56°
16
66°
49°
17
58°
44°
18
61°
43°
19
62°
46°
20
63°
45°
21
62°
45°
22
61°
44°
23
56°
38°
24
56°
39°
25
61°
43°
26
66°
44°
27
63°
37°
28
53°
36°
29
53°
36°
30
54°
39°
31
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Vandalia
Vandalia's October 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 36° and 60°. The average high for October is 64° with an average low of 46°. 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 Vandalia. See also: November | December | January.