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
57°
43°
19
57°
41°
20
61°
52°
21
68°
52°
22
73°
52°
23
81°
59°
24
79°
63°
25
79°
59°
26
84°
61°
27
79°
61°
28
75°
55°
29
82°
55°
30
81°
56°
31
79°
54°
1
76°
51°
2
71°
54°
3
70°
52°
4
69°
51°
5
69°
50°
6
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kirn
Kirn's May 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 50° and 56°. The average high for May is 74° 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 Kirn. See also: June | July | August.