S
M
T
W
T
F
S
26
67°
50°
27
68°
45°
28
73°
42°
29
78°
47°
30
80°
49°
1
81°
53°
2
83°
52°
3
85°
49°
4
76°
55°
5
73°
49°
6
85°
53°
7
91°
54°
8
94°
62°
9
97°
63°
10
96°
60°
11
100°
60°
12
100°
60°
13
93°
64°
14
93°
64°
15
96°
61°
16
90°
68°
17
87°
55°
18
72°
49°
19
77°
49°
20
83°
48°
21
90°
54°
22
90°
63°
23
91°
62°
24
92°
62°
25
91°
57°
26
90°
60°
27
77°
57°
28
79°
55°
29
N/A
30
66°
51°
31
72°
54°
1
77°
60°
2
79°
61°
3
82°
52°
4
82°
53°
5
82°
54°
6
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Mount Charleston
Mount Charleston's May 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 51° and 61°. The average high for May is 77° with an average low of 55°. 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 Mount Charleston. See also: June | July | August.
