S
M
T
W
T
F
S
26
28°
20°
27
47°
19°
28
56°
23°
29
60°
26°
30
67°
29°
1
73°
32°
2
67°
42°
3
75°
36°
4
54°
30°
5
49°
28°
6
74°
20°
7
66°
44°
8
74°
40°
9
66°
43°
10
44°
44°
11
68°
44°
12
74°
33°
13
73°
40°
14
59°
44°
15
56°
39°
16
54°
34°
17
40°
30°
18
54°
22°
19
60°
29°
20
52°
36°
21
58°
31°
22
65°
34°
23
70°
36°
24
81°
46°
25
87°
53°
26
83°
51°
27
72°
52°
28
78°
53°
29
81°
51°
30
71°
43°
31
72°
44°
1
74°
48°
2
79°
50°
3
74°
49°
4
76°
51°
5
75°
50°
6
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shelby
Shelby's May 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 43° and 53°. The average high for May is 77° with an average low of 49°. 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 Shelby. See also: June | July | August.