S
M
T
W
T
F
S
26
86°
75°
27
85°
75°
28
86°
74°
29
86°
74°
30
86°
75°
1
87°
76°
2
87°
76°
3
87°
77°
4
88°
78°
5
84°
76°
6
85°
75°
7
83°
76°
8
83°
75°
9
84°
77°
10
84°
77°
11
85°
76°
12
84°
77°
13
84°
77°
14
85°
76°
15
84°
77°
16
85°
77°
17
85°
76°
18
86°
78°
19
84°
76°
20
86°
78°
21
85°
77°
22
84°
77°
23
85°
76°
24
84°
78°
25
86°
77°
26
85°
77°
27
85°
76°
28
86°
77°
29
85°
78°
30
85°
77°
31
86°
78°
1
85°
78°
2
85°
79°
3
86°
79°
4
85°
77°
5
87°
77°
6
87°
77°
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 83° to 88°, with overnight lows between 74° and 79°. The average high for May is 85° with an average low of 77°. 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.
