S
M
T
W
T
F
S
26
70°
54°
27
68°
46°
28
73°
50°
29
68°
48°
30
57°
41°
1
45°
37°
2
50°
37°
3
64°
37°
4
70°
50°
5
63°
54°
6
64°
43°
7
70°
34°
8
75°
48°
9
81°
48°
10
68°
50°
11
70°
48°
12
82°
64°
13
81°
57°
14
80°
48°
15
77°
52°
16
78°
46°
17
75°
52°
18
74°
51°
19
72°
50°
20
70°
47°
21
69°
44°
22
72°
46°
23
74°
51°
24
72°
48°
25
71°
46°
26
74°
47°
27
74°
48°
28
77°
48°
29
74°
49°
30
79°
44°
31
80°
47°
1
80°
48°
2
79°
48°
3
77°
46°
4
72°
44°
5
74°
47°
6
80°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alto
Alto's May 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 44° and 52°. The average high for May is 75° with an average low of 48°. 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 Alto. See also: June | July | August.
