S
M
T
W
T
F
S
26
75°
56°
27
79°
59°
28
76°
57°
29
78°
59°
30
82°
58°
1
90°
64°
2
88°
63°
3
89°
64°
4
88°
61°
5
85°
60°
6
79°
55°
7
80°
56°
8
83°
57°
9
80°
55°
10
77°
55°
11
79°
56°
12
80°
57°
13
81°
58°
14
82°
58°
15
85°
63°
16
84°
58°
17
81°
58°
18
80°
59°
19
83°
59°
20
84°
60°
21
85°
62°
22
89°
66°
23
90°
64°
24
91°
61°
25
86°
61°
26
87°
62°
27
91°
66°
28
97°
70°
29
98°
72°
30
98°
69°
31
95°
65°
1
91°
63°
2
90°
64°
3
93°
64°
4
94°
66°
5
98°
68°
6
101°
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 75° to 101°, with overnight lows between 55° and 72°. 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.
