S
M
T
W
T
F
S
26
92°
76°
27
86°
77°
28
88°
76°
29
85°
75°
30
89°
76°
1
87°
76°
2
90°
76°
3
86°
71°
4
86°
71°
5
87°
71°
6
86°
72°
7
87°
71°
8
86°
70°
9
85°
74°
10
83°
71°
11
83°
70°
12
84°
71°
13
83°
70°
14
83°
70°
15
84°
71°
16
80°
69°
17
81°
69°
18
81°
70°
19
82°
70°
20
81°
70°
21
81°
71°
22
82°
71°
23
81°
70°
24
82°
71°
25
81°
70°
26
81°
69°
27
82°
69°
28
81°
70°
29
81°
71°
30
82°
70°
31
81°
71°
1
81°
71°
2
82°
70°
3
81°
70°
4
81°
72°
5
82°
72°
6
81°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vegas
Vegas's May 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 69° and 74°. The average high for May is 83° with an average low of 71°. 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 Vegas. See also: June | July | August.
