S
M
T
W
T
F
S
26
71°
44°
27
66°
36°
28
69°
39°
29
69°
31°
30
57°
32°
1
38°
29°
2
58°
35°
3
67°
45°
4
68°
46°
5
65°
38°
6
58°
36°
7
64°
41°
8
69°
46°
9
72°
45°
10
75°
46°
11
71°
44°
12
67°
44°
13
73°
45°
14
68°
47°
15
72°
45°
16
71°
45°
17
73°
46°
18
73°
46°
19
74°
45°
20
76°
47°
21
69°
43°
22
73°
47°
23
77°
48°
24
71°
42°
25
68°
40°
26
68°
39°
27
69°
40°
28
71°
46°
29
78°
49°
30
80°
50°
31
79°
50°
1
73°
49°
2
77°
50°
3
80°
51°
4
82°
51°
5
82°
50°
6
80°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Las Vegas
Las Vegas's May 2026 forecast shows daily high temperatures ranging from 38° to 82°, with overnight lows between 29° and 52°. The average high for May is 71° with an average low of 45°. 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 Las Vegas. See also: June | July | August.
