S
M
T
W
T
F
S
26
55°
30°
27
52°
28°
28
57°
34°
29
59°
32°
30
66°
32°
1
N/A
2
77°
50°
3
71°
54°
4
59°
40°
5
58°
42°
6
54°
40°
7
56°
40°
8
61°
43°
9
65°
45°
10
64°
49°
11
64°
49°
12
63°
46°
13
61°
47°
14
58°
45°
15
57°
42°
16
62°
50°
17
63°
49°
18
59°
47°
19
61°
49°
20
59°
48°
21
59°
48°
22
60°
47°
23
59°
45°
24
59°
44°
25
60°
44°
26
59°
45°
27
59°
44°
28
60°
49°
29
61°
49°
30
62°
45°
31
60°
45°
1
60°
46°
2
61°
45°
3
61°
44°
4
62°
49°
5
65°
48°
6
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Itzehoe
Itzehoe's May 2026 forecast shows daily high temperatures ranging from 54° to 77°, with overnight lows between 40° and 54°. The average high for May is 61° with an average low of 46°. 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 Itzehoe. See also: June | July | August.