S
M
T
W
T
F
S
26
104°
82°
27
108°
83°
28
107°
81°
29
106°
80°
30
101°
78°
31
101°
80°
1
100°
77°
2
100°
77°
3
101°
76°
4
100°
76°
5
100°
77°
6
101°
76°
7
100°
76°
8
102°
77°
9
104°
78°
10
100°
74°
11
97°
74°
12
97°
75°
13
98°
74°
14
98°
74°
15
99°
75°
16
98°
74°
17
98°
76°
18
99°
74°
19
102°
75°
20
105°
76°
21
106°
77°
22
106°
78°
23
104°
75°
24
100°
72°
25
99°
72°
26
100°
73°
27
102°
75°
28
102°
76°
29
105°
82°
30
102°
78°
31
98°
75°
1
99°
73°
2
98°
71°
3
98°
72°
4
100°
74°
5
100°
74°
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 97° to 108°, with overnight lows between 71° and 83°. The average high for August is 101° with an average low of 76°. 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.
