S
M
T
W
T
F
S
29
50°
36°
30
50°
36°
31
50°
37°
1
54°
34°
2
54°
37°
3
55°
39°
4
59°
48°
5
57°
46°
6
55°
39°
7
59°
36°
8
64°
37°
9
64°
43°
10
59°
43°
11
66°
37°
12
54°
39°
13
52°
43°
14
59°
39°
15
64°
43°
16
64°
50°
17
68°
46°
18
66°
50°
19
55°
43°
20
52°
41°
21
58°
37°
22
63°
38°
23
65°
39°
24
63°
42°
25
60°
44°
26
57°
42°
27
59°
44°
28
58°
43°
29
59°
44°
30
59°
43°
1
61°
45°
2
60°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Herdecke
Herdecke's April 2026 forecast shows daily high temperatures ranging from 52° to 65°, with overnight lows between 37° and 45°. The average high for April is 60° with an average low of 42°. 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 Herdecke. See also: May | June | July.