S
M
T
W
T
F
S
26
79°
59°
27
83°
53°
28
76°
57°
29
77°
62°
30
67°
53°
1
70°
49°
2
65°
43°
3
66°
46°
4
77°
53°
5
79°
61°
6
78°
57°
7
63°
44°
8
64°
50°
9
74°
51°
10
76°
58°
11
77°
57°
12
79°
57°
13
75°
55°
14
74°
46°
15
77°
61°
16
78°
61°
17
80°
62°
18
79°
62°
19
77°
61°
20
80°
62°
21
80°
62°
22
82°
63°
23
81°
63°
24
76°
62°
25
78°
64°
26
79°
64°
27
78°
63°
28
77°
61°
29
80°
63°
30
78°
62°
31
78°
62°
1
80°
64°
2
83°
65°
3
84°
65°
4
84°
64°
5
78°
61°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alcoa
Alcoa's May 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 43° and 65°. The average high for May is 77° with an average low of 58°. 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 Alcoa. See also: June | July | August.
