S
M
T
W
T
F
S
29
80°
41°
30
77°
40°
31
69°
47°
1
54°
43°
2
60°
36°
3
53°
26°
4
56°
27°
5
64°
32°
6
73°
32°
7
74°
37°
8
75°
35°
9
73°
44°
10
67°
43°
11
53°
34°
12
56°
35°
13
45°
33°
14
51°
31°
15
58°
33°
16
57°
26°
17
40°
16°
18
43°
24°
19
56°
28°
20
63°
34°
21
54°
25°
22
55°
30°
23
57°
29°
24
49°
24°
25
50°
27°
26
51°
30°
27
51°
28°
28
50°
27°
29
49°
25°
30
50°
25°
1
51°
26°
2
52°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Altonah
Altonah's April 2026 forecast shows daily high temperatures ranging from 40° to 67°, with overnight lows between 16° and 43°. The average high for April is 53° with an average low of 29°. 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 Altonah. See also: May | June | July.