S
M
T
W
T
F
S
29
66°
34°
30
70°
32°
31
49°
31°
1
41°
28°
2
35°
31°
3
38°
30°
4
37°
29°
5
49°
26°
6
35°
19°
7
41°
14°
8
58°
34°
9
49°
33°
10
52°
30°
11
51°
26°
12
72°
42°
13
71°
50°
14
65°
46°
15
66°
42°
16
74°
37°
17
75°
36°
18
40°
29°
19
43°
25°
20
54°
20°
21
74°
35°
22
75°
34°
23
78°
55°
24
61°
40°
25
56°
35°
26
67°
47°
27
56°
44°
28
57°
40°
29
49°
32°
30
45°
31°
1
48°
28°
2
56°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hannibal
Hannibal's April 2026 forecast shows daily high temperatures ranging from 45° to 56°, with overnight lows between 28° and 39°. The average high for April is 50° with an average low of 33°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Hannibal. See also: May | June | July.
