S
M
T
W
T
F
S
26
84°
71°
27
87°
72°
28
85°
72°
29
85°
72°
30
86°
73°
1
85°
72°
2
86°
72°
3
86°
70°
4
85°
72°
5
85°
71°
6
84°
71°
7
85°
72°
8
85°
71°
9
86°
71°
10
85°
70°
11
85°
72°
12
86°
73°
13
85°
73°
14
86°
72°
15
87°
73°
16
86°
72°
17
85°
71°
18
85°
71°
19
86°
70°
20
85°
70°
21
85°
71°
22
86°
72°
23
86°
73°
24
87°
72°
25
86°
73°
26
86°
73°
27
87°
72°
28
86°
73°
29
87°
73°
30
86°
72°
31
87°
71°
1
90°
71°
2
90°
72°
3
89°
72°
4
91°
71°
5
91°
72°
6
90°
72°
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 84° to 91°, with overnight lows between 70° and 73°. The average high for May is 86° with an average low of 72°. 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.
