S
M
T
W
T
F
S
26
67°
55°
27
72°
52°
28
76°
55°
29
81°
60°
30
84°
63°
1
84°
62°
2
85°
61°
3
91°
64°
4
80°
59°
5
75°
59°
6
86°
66°
7
93°
66°
8
98°
69°
9
99°
71°
10
101°
70°
11
102°
71°
12
105°
73°
13
108°
77°
14
106°
74°
15
104°
72°
16
90°
64°
17
93°
69°
18
95°
69°
19
93°
65°
20
94°
69°
21
95°
69°
22
95°
68°
23
96°
69°
24
96°
67°
25
95°
71°
26
97°
71°
27
97°
70°
28
91°
65°
29
88°
63°
30
87°
64°
31
88°
63°
1
89°
64°
2
90°
65°
3
91°
65°
4
92°
67°
5
97°
72°
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 75° to 108°, with overnight lows between 59° and 77°. The average high for May is 94° with an average low of 68°. 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.
