S
M
T
W
T
F
S
26
77°
58°
27
81°
63°
28
79°
54°
29
66°
50°
30
64°
44°
1
64°
44°
2
64°
39°
3
66°
40°
4
77°
59°
5
66°
46°
6
59°
44°
7
59°
38°
8
66°
44°
9
77°
52°
10
73°
53°
11
73°
46°
12
75°
47°
13
79°
53°
14
77°
47°
15
77°
65°
16
79°
71°
17
82°
71°
18
82°
73°
19
74°
60°
20
66°
59°
21
66°
61°
22
72°
61°
23
72°
56°
24
73°
58°
25
79°
57°
26
77°
58°
27
77°
61°
28
77°
67°
29
77°
67°
30
84°
67°
31
87°
70°
1
94°
66°
2
87°
62°
3
82°
60°
4
86°
68°
5
81°
72°
6
80°
71°
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 80° to 94°, with overnight lows between 60° and 72°. The average high for May is 85° with an average low of 67°. 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.
