S
M
T
W
T
F
S
29
43°
31°
30
45°
32°
31
43°
34°
1
46°
32°
2
52°
27°
3
57°
30°
4
55°
46°
5
73°
36°
6
61°
43°
7
64°
34°
8
61°
37°
9
59°
30°
10
50°
43°
11
63°
39°
12
52°
44°
13
55°
40°
14
52°
46°
15
57°
45°
16
64°
43°
17
68°
35°
18
72°
39°
19
61°
37°
20
57°
34°
21
53°
35°
22
58°
33°
23
65°
39°
24
68°
40°
25
68°
42°
26
66°
39°
27
63°
40°
28
61°
42°
29
59°
42°
30
61°
43°
1
64°
43°
2
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Dettendorf
Dettendorf's April 2026 forecast shows daily high temperatures ranging from 53° to 68°, with overnight lows between 33° and 44°. The average high for April is 62° with an average low of 40°. 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 Dettendorf. See also: May | June | July.