S
M
T
W
T
F
S
26
63°
41°
27
63°
43°
28
66°
46°
29
63°
41°
30
59°
39°
1
66°
43°
2
73°
48°
3
66°
50°
4
63°
43°
5
59°
50°
6
54°
45°
7
54°
43°
8
59°
45°
9
66°
43°
10
64°
50°
11
52°
37°
12
48°
34°
13
52°
41°
14
52°
39°
15
52°
37°
16
52°
39°
17
55°
37°
18
55°
41°
19
56°
50°
20
61°
49°
21
71°
53°
22
74°
56°
23
77°
59°
24
77°
59°
25
78°
58°
26
79°
60°
27
77°
58°
28
74°
56°
29
72°
54°
30
73°
55°
31
61°
48°
1
60°
46°
2
60°
45°
3
61°
46°
4
63°
47°
5
63°
54°
6
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alterkülz
Alterkülz's May 2026 forecast shows daily high temperatures ranging from 55° to 79°, with overnight lows between 41° and 60°. The average high for May is 68° with an average low of 52°. 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 Alterkülz. See also: June | July | August.