S
M
T
W
T
F
S
26
59°
37°
27
63°
36°
28
63°
41°
29
63°
39°
30
64°
37°
1
73°
41°
2
75°
55°
3
72°
53°
4
70°
52°
5
58°
42°
6
49°
42°
7
57°
44°
8
63°
48°
9
68°
52°
10
67°
46°
11
62°
46°
12
63°
48°
13
61°
49°
14
62°
48°
15
61°
47°
16
67°
53°
17
68°
52°
18
67°
49°
19
60°
46°
20
59°
47°
21
59°
46°
22
60°
46°
23
60°
47°
24
62°
48°
25
64°
50°
26
69°
55°
27
70°
55°
28
67°
53°
29
65°
48°
30
67°
51°
31
71°
56°
1
71°
55°
2
70°
54°
3
71°
52°
4
70°
55°
5
71°
57°
6
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Herdecke
Herdecke's May 2026 forecast shows daily high temperatures ranging from 49° to 72°, with overnight lows between 42° and 57°. The average high for May is 65° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Herdecke. See also: June | July | August.
