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
89°
59°
4
79°
63°
5
75°
57°
6
84°
59°
7
92°
63°
8
99°
67°
9
101°
76°
10
102°
75°
11
105°
78°
12
102°
77°
13
98°
70°
14
96°
68°
15
97°
70°
16
99°
69°
17
101°
71°
18
98°
69°
19
95°
68°
20
95°
69°
21
96°
69°
22
92°
66°
23
94°
67°
24
95°
69°
25
92°
64°
26
87°
61°
27
85°
61°
28
86°
63°
29
89°
63°
30
88°
62°
31
88°
63°
1
89°
65°
2
92°
67°
3
97°
70°
4
98°
70°
5
100°
72°
6
100°
73°
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 85° to 105°, with overnight lows between 61° and 78°. The average high for May is 95° 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.
