S
M
T
W
T
F
S
26
56°
41°
27
71°
36°
28
56°
42°
29
58°
48°
30
61°
43°
1
62°
36°
2
55°
41°
3
60°
42°
4
72°
50°
5
82°
59°
6
67°
48°
7
59°
41°
8
58°
40°
9
61°
44°
10
68°
51°
11
62°
46°
12
64°
45°
13
66°
50°
14
65°
48°
15
66°
47°
16
67°
50°
17
71°
49°
18
75°
54°
19
74°
53°
20
74°
55°
21
75°
54°
22
74°
48°
23
67°
46°
24
66°
47°
25
67°
48°
26
68°
48°
27
68°
49°
28
69°
49°
29
68°
48°
30
69°
49°
31
70°
58°
1
73°
55°
2
71°
50°
3
71°
55°
4
75°
57°
5
72°
54°
6
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Aetna
Mount Aetna's May 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 40° and 59°. The average high for May is 69° with an average low of 50°. 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 Mount Aetna. See also: June | July | August.
