S
M
T
W
T
F
S
26
76°
57°
27
68°
51°
28
72°
49°
29
80°
58°
30
68°
53°
1
65°
47°
2
62°
46°
3
66°
36°
4
76°
37°
5
74°
44°
6
71°
60°
7
67°
50°
8
66°
43°
9
74°
47°
10
79°
48°
11
69°
55°
12
69°
50°
13
74°
49°
14
64°
41°
15
77°
52°
16
83°
56°
17
85°
63°
18
86°
59°
19
86°
61°
20
82°
60°
21
76°
56°
22
75°
54°
23
74°
54°
24
77°
53°
25
76°
55°
26
78°
53°
27
79°
58°
28
78°
57°
29
80°
58°
30
79°
57°
31
77°
55°
1
74°
56°
2
77°
57°
3
78°
57°
4
75°
58°
5
80°
59°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Black Mountain
Black Mountain's May 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 41° and 63°. The average high for May is 78° with an average low of 56°. 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 Black Mountain. See also: June | July | August.
