S
M
T
W
T
F
S
26
106°
80°
27
108°
83°
28
107°
81°
29
106°
80°
30
101°
78°
31
101°
76°
1
102°
76°
2
101°
77°
3
103°
76°
4
105°
76°
5
107°
78°
6
107°
80°
7
104°
79°
8
104°
79°
9
103°
76°
10
100°
76°
11
101°
77°
12
100°
76°
13
100°
75°
14
99°
76°
15
101°
78°
16
102°
75°
17
99°
75°
18
100°
77°
19
104°
80°
20
106°
81°
21
106°
81°
22
105°
77°
23
98°
77°
24
105°
80°
25
108°
83°
26
109°
78°
27
106°
76°
28
102°
77°
29
101°
76°
30
103°
77°
31
101°
77°
1
103°
74°
2
103°
75°
3
102°
73°
4
103°
76°
5
102°
77°
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 73° and 83°. 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.
