S
M
T
W
T
F
S
26
62°
46°
27
77°
43°
28
74°
55°
29
62°
46°
30
57°
37°
1
55°
34°
2
51°
30°
3
62°
29°
4
73°
50°
5
72°
58°
6
61°
40°
7
60°
35°
8
68°
38°
9
72°
52°
10
68°
45°
11
66°
39°
12
71°
44°
13
70°
48°
14
64°
41°
15
71°
36°
16
76°
49°
17
85°
59°
18
90°
62°
19
89°
66°
20
72°
51°
21
67°
49°
22
63°
53°
23
76°
64°
24
75°
62°
25
79°
65°
26
77°
66°
27
75°
63°
28
80°
55°
29
76°
52°
30
73°
49°
31
71°
50°
1
74°
54°
2
73°
55°
3
75°
54°
4
75°
57°
5
79°
55°
6
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Huntsville
Huntsville's May 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 49° and 66°. The average high for May is 75° with an average low of 57°. 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 Huntsville. See also: June | July | August.
