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
70°
54°
4
66°
55°
5
57°
52°
6
52°
45°
7
60°
40°
8
64°
43°
9
70°
48°
10
70°
44°
11
57°
40°
12
58°
42°
13
60°
47°
14
58°
45°
15
59°
46°
16
60°
47°
17
60°
46°
18
61°
48°
19
64°
49°
20
60°
46°
21
63°
53°
22
69°
49°
23
61°
47°
24
64°
50°
25
69°
55°
26
70°
56°
27
71°
56°
28
70°
55°
29
63°
51°
30
63°
55°
31
69°
56°
1
70°
57°
2
72°
57°
3
71°
56°
4
72°
57°
5
71°
57°
6
70°
56°
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 57° to 72°, with overnight lows between 40° 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.
