S
M
T
W
T
F
S
26
67°
28°
27
70°
30°
28
60°
44°
29
50°
36°
30
50°
27°
1
46°
31°
2
43°
26°
3
50°
41°
4
60°
45°
5
50°
34°
6
50°
33°
7
48°
32°
8
46°
35°
9
50°
36°
10
52°
36°
11
56°
35°
12
56°
38°
13
57°
40°
14
55°
38°
15
57°
35°
16
57°
39°
17
58°
40°
18
58°
45°
19
61°
45°
20
66°
44°
21
66°
45°
22
64°
41°
23
59°
44°
24
64°
39°
25
59°
38°
26
61°
46°
27
60°
46°
28
69°
47°
29
64°
44°
30
62°
41°
31
62°
38°
1
61°
39°
2
61°
40°
3
63°
40°
4
62°
41°
5
63°
46°
6
63°
46°
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 43° to 69°, with overnight lows between 26° and 47°. The average high for May is 58° with an average low of 40°. 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.
