S
M
T
W
T
F
S
26
70°
54°
27
68°
46°
28
73°
50°
29
68°
48°
30
57°
41°
1
45°
37°
2
50°
37°
3
64°
37°
4
70°
54°
5
64°
45°
6
65°
34°
7
63°
44°
8
73°
50°
9
78°
51°
10
73°
45°
11
79°
53°
12
84°
59°
13
84°
59°
14
81°
57°
15
82°
54°
16
81°
56°
17
74°
53°
18
76°
48°
19
81°
49°
20
78°
49°
21
79°
48°
22
72°
43°
23
76°
49°
24
82°
50°
25
75°
46°
26
74°
50°
27
79°
50°
28
80°
49°
29
76°
49°
30
75°
46°
31
76°
48°
1
76°
46°
2
77°
48°
3
77°
49°
4
78°
47°
5
78°
48°
6
79°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Capitan
Capitan's May 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 34° and 59°. The average high for May is 76° 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 Capitan. See also: June | July | August.