S
M
T
W
T
F
S
26
52°
29°
27
53°
31°
28
59°
28°
29
63°
34°
30
65°
28°
1
71°
27°
2
74°
35°
3
76°
40°
4
77°
40°
5
65°
40°
6
78°
33°
7
76°
49°
8
73°
38°
9
72°
41°
10
82°
36°
11
82°
43°
12
86°
37°
13
85°
50°
14
73°
46°
15
68°
43°
16
53°
34°
17
53°
28°
18
59°
33°
19
64°
26°
20
67°
38°
21
64°
40°
22
71°
34°
23
79°
37°
24
83°
39°
25
86°
39°
26
69°
48°
27
81°
43°
28
88°
51°
29
79°
49°
30
56°
41°
31
53°
42°
1
67°
43°
2
78°
47°
3
83°
47°
4
84°
48°
5
84°
50°
6
83°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alta
Alta's May 2026 forecast shows daily high temperatures ranging from 53° to 88°, with overnight lows between 41° and 51°. The average high for May is 76° with an average low of 47°. 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 Alta. See also: June | July | August.
