S
M
T
W
T
F
S
26
80°
58°
27
83°
62°
28
82°
63°
29
86°
63°
30
90°
64°
1
82°
59°
2
80°
55°
3
81°
54°
4
78°
55°
5
81°
54°
6
77°
54°
7
77°
55°
8
78°
56°
9
80°
56°
10
79°
57°
11
80°
56°
12
80°
57°
13
82°
58°
14
85°
59°
15
82°
57°
16
80°
57°
17
81°
58°
18
83°
59°
19
90°
60°
20
93°
61°
21
94°
63°
22
92°
61°
23
85°
60°
24
86°
61°
25
87°
63°
26
87°
63°
27
86°
62°
28
86°
62°
29
87°
63°
30
89°
66°
31
94°
70°
1
93°
66°
2
93°
69°
3
98°
68°
4
101°
69°
5
99°
68°
6
98°
69°
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 77° to 101°, with overnight lows between 54° and 70°. The average high for May is 86° with an average low of 61°. 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.
