S
M
T
W
T
F
S
26
65°
31°
27
60°
44°
28
56°
34°
29
50°
33°
30
42°
30°
1
42°
23°
2
60°
19°
3
71°
37°
4
73°
42°
5
49°
31°
6
44°
28°
7
51°
31°
8
63°
28°
9
59°
28°
10
49°
24°
11
55°
20°
12
65°
35°
13
61°
33°
14
71°
28°
15
84°
49°
16
81°
42°
17
54°
38°
18
81°
50°
19
71°
44°
20
60°
33°
21
61°
27°
22
65°
38°
23
68°
50°
24
76°
48°
25
80°
57°
26
87°
48°
27
76°
43°
28
79°
47°
29
72°
43°
30
67°
43°
31
69°
44°
1
71°
46°
2
73°
47°
3
70°
49°
4
72°
48°
5
70°
50°
6
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vulcan
Vulcan's May 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 43° and 57°. The average high for May is 74° with an average low of 47°. 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 Vulcan. See also: June | July | August.