S
M
T
W
T
F
S
26
111°
88°
27
109°
91°
28
110°
84°
29
108°
89°
30
111°
79°
31
112°
84°
1
115°
83°
2
114°
85°
3
113°
85°
4
112°
82°
5
112°
82°
6
107°
86°
7
108°
88°
8
112°
88°
9
111°
88°
10
106°
87°
11
100°
82°
12
98°
80°
13
90°
76°
14
N/A
15
97°
82°
16
100°
85°
17
105°
86°
18
108°
84°
19
109°
83°
20
109°
84°
21
105°
82°
22
106°
83°
23
107°
80°
24
106°
79°
25
107°
80°
26
106°
80°
27
104°
78°
28
102°
74°
29
97°
71°
30
93°
71°
31
94°
70°
1
94°
69°
2
95°
69°
3
94°
70°
4
94°
71°
5
96°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Las Vegas
Las Vegas's August 2026 forecast shows daily high temperatures ranging from 93° to 109°, with overnight lows between 69° and 86°. The average high for August is 101° 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 August weather will actually feel in Las Vegas. See also: September | October | November.
