S
M
T
W
T
F
S
27
66°
52°
28
65°
54°
29
63°
45°
30
75°
44°
1
72°
60°
2
71°
54°
3
63°
41°
4
68°
40°
5
59°
46°
6
54°
35°
7
70°
38°
8
63°
44°
9
65°
43°
10
61°
36°
11
60°
50°
12
61°
52°
13
74°
54°
14
64°
52°
15
59°
46°
16
66°
46°
17
46°
31°
18
62°
28°
19
67°
32°
20
61°
36°
21
60°
28°
22
61°
29°
23
58°
31°
24
62°
26°
25
64°
31°
26
62°
38°
27
N/A
28
65°
46°
29
72°
50°
30
58°
40°
31
56°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Hannibal
Hannibal's October 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 38° and 50°. The average high for October is 63° with an average low of 44°. 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 Hannibal. See also: November | December | January.
