S
M
T
W
T
F
S
26
57°
40°
27
57°
30°
28
60°
25°
29
62°
25°
30
66°
28°
1
69°
32°
2
75°
34°
3
74°
41°
4
76°
37°
5
65°
40°
6
73°
34°
7
80°
38°
8
80°
37°
9
72°
38°
10
81°
46°
11
85°
47°
12
87°
52°
13
74°
40°
14
70°
40°
15
68°
36°
16
66°
37°
17
70°
42°
18
69°
43°
19
71°
44°
20
69°
43°
21
70°
46°
22
65°
39°
23
69°
46°
24
70°
47°
25
70°
46°
26
66°
34°
27
56°
35°
28
58°
40°
29
60°
45°
30
63°
46°
31
60°
44°
1
61°
44°
2
63°
47°
3
69°
48°
4
74°
50°
5
73°
50°
6
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountain City
Mountain City's May 2026 forecast shows daily high temperatures ranging from 56° to 87°, with overnight lows between 34° and 52°. The average high for May is 69° with an average low of 44°. 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 Mountain City. See also: June | July | August.
