S
M
T
W
T
F
S
26
85°
72°
27
83°
71°
28
82°
70°
29
82°
72°
30
83°
71°
31
83°
72°
1
82°
71°
2
83°
70°
3
83°
71°
4
84°
72°
5
83°
72°
6
83°
71°
7
84°
70°
8
83°
70°
9
82°
71°
10
83°
72°
11
84°
70°
12
82°
70°
13
82°
72°
14
83°
71°
15
82°
72°
16
83°
72°
17
83°
71°
18
82°
72°
19
83°
72°
20
83°
71°
21
82°
71°
22
82°
72°
23
84°
71°
24
86°
70°
25
86°
70°
26
85°
71°
27
86°
71°
28
86°
70°
29
85°
71°
30
86°
71°
31
86°
70°
1
85°
69°
2
86°
71°
3
86°
72°
4
86°
71°
5
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Vegas
Vegas's August 2026 forecast shows daily high temperatures ranging from 82° to 86°, with overnight lows between 69° and 72°. The average high for August is 84° with an average low of 71°. 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 Vegas. See also: September | October | November.
