S
M
T
W
T
F
S
26
73°
50°
27
69°
49°
28
73°
54°
29
71°
55°
30
73°
55°
1
74°
56°
2
77°
57°
3
79°
57°
4
78°
49°
5
69°
47°
6
68°
47°
7
70°
49°
8
72°
54°
9
75°
50°
10
70°
49°
11
71°
50°
12
75°
59°
13
81°
60°
14
82°
60°
15
82°
59°
16
80°
60°
17
80°
60°
18
83°
62°
19
84°
62°
20
83°
61°
21
80°
60°
22
76°
56°
23
78°
57°
24
80°
58°
25
85°
62°
26
85°
60°
27
79°
59°
28
81°
62°
29
86°
63°
30
87°
58°
31
85°
60°
1
85°
57°
2
81°
58°
3
81°
57°
4
80°
57°
5
80°
58°
6
82°
63°
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 68° to 87°, with overnight lows between 47° and 63°. The average high for May is 78° 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.
