S
M
T
W
T
F
S
26
56°
38°
27
46°
36°
28
53°
34°
29
62°
36°
30
62°
38°
1
68°
39°
2
74°
46°
3
74°
53°
4
67°
49°
5
65°
46°
6
68°
46°
7
75°
50°
8
76°
54°
9
73°
51°
10
73°
49°
11
70°
48°
12
75°
50°
13
76°
51°
14
70°
44°
15
63°
41°
16
62°
39°
17
64°
40°
18
64°
42°
19
65°
41°
20
63°
40°
21
64°
40°
22
66°
42°
23
65°
41°
24
65°
41°
25
66°
40°
26
66°
40°
27
68°
41°
28
73°
47°
29
77°
50°
30
79°
53°
31
77°
50°
1
76°
51°
2
76°
47°
3
79°
50°
4
82°
53°
5
82°
54°
6
81°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lehi
Lehi's May 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 39° and 54°. The average high for May is 71° with an average low of 46°. 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 Lehi. See also: June | July | August.