S
M
T
W
T
F
S
26
80°
59°
27
83°
55°
28
73°
58°
29
78°
60°
30
70°
50°
1
73°
46°
2
68°
49°
3
69°
39°
4
81°
44°
5
79°
50°
6
71°
60°
7
69°
47°
8
74°
41°
9
79°
51°
10
85°
49°
11
74°
51°
12
79°
46°
13
81°
54°
14
72°
48°
15
78°
42°
16
85°
57°
17
91°
64°
18
89°
66°
19
87°
65°
20
85°
65°
21
78°
66°
22
76°
66°
23
79°
65°
24
81°
65°
25
82°
67°
26
81°
65°
27
81°
64°
28
79°
64°
29
80°
65°
30
81°
71°
31
80°
64°
1
85°
65°
2
86°
66°
3
84°
65°
4
80°
64°
5
80°
60°
6
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Karns
Karns's May 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 60° and 71°. The average high for May is 82° with an average low of 65°. 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 Karns. See also: June | July | August.