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
116°
90°
3
115°
89°
4
115°
87°
5
114°
89°
6
111°
87°
7
113°
88°
8
115°
88°
9
111°
84°
10
109°
83°
11
107°
81°
12
105°
82°
13
103°
81°
14
105°
80°
15
104°
78°
16
96°
73°
17
100°
76°
18
99°
74°
19
98°
74°
20
98°
75°
21
99°
73°
22
100°
75°
23
105°
77°
24
106°
78°
25
105°
78°
26
104°
77°
27
104°
79°
28
103°
75°
29
97°
72°
30
95°
71°
31
95°
72°
1
96°
71°
2
95°
69°
3
94°
70°
4
94°
70°
5
93°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Las Vegas
Las Vegas's August 2026 forecast shows daily high temperatures ranging from 93° to 116°, with overnight lows between 68° and 90°. The average high for August is 103° with an average low of 78°. 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.
