S
M
T
W
T
F
S
26
105°
84°
27
107°
84°
28
109°
83°
29
105°
81°
30
105°
78°
31
104°
77°
1
104°
76°
2
102°
76°
3
102°
77°
4
103°
77°
5
102°
83°
6
106°
85°
7
108°
82°
8
106°
81°
9
108°
83°
10
108°
84°
11
107°
80°
12
102°
79°
13
101°
78°
14
102°
79°
15
103°
80°
16
102°
83°
17
104°
80°
18
106°
77°
19
107°
79°
20
106°
77°
21
105°
74°
22
101°
74°
23
101°
75°
24
102°
78°
25
102°
73°
26
98°
72°
27
98°
71°
28
99°
71°
29
99°
72°
30
98°
71°
31
99°
72°
1
100°
73°
2
100°
72°
3
99°
71°
4
98°
71°
5
103°
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 98° to 109°, with overnight lows between 71° and 85°. The average high for August is 103° 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.
