S
M
T
W
T
F
S
26
102°
76°
27
102°
77°
28
103°
78°
29
103°
77°
30
105°
77°
31
106°
78°
1
108°
81°
2
109°
81°
3
109°
82°
4
110°
83°
5
110°
82°
6
108°
79°
7
107°
79°
8
105°
76°
9
101°
75°
10
102°
78°
11
105°
82°
12
106°
80°
13
104°
75°
14
100°
78°
15
101°
76°
16
100°
74°
17
98°
73°
18
99°
73°
19
100°
74°
20
99°
73°
21
99°
76°
22
100°
78°
23
100°
79°
24
102°
79°
25
103°
78°
26
102°
78°
27
103°
77°
28
102°
79°
29
103°
78°
30
103°
80°
31
104°
79°
1
101°
78°
2
98°
74°
3
Hist. Avg.
98°
74°
4
Hist. Avg.
97°
73°
5
Hist. Avg.
97°
73°
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 110°, 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.
