S
M
T
W
T
F
S
27
101°
71°
28
104°
74°
29
105°
75°
30
101°
74°
31
104°
76°
1
105°
75°
2
105°
75°
3
107°
75°
4
103°
83°
5
106°
78°
6
108°
78°
7
108°
87°
8
109°
82°
9
109°
82°
10
108°
81°
11
109°
83°
12
111°
81°
13
111°
83°
14
106°
81°
15
100°
77°
16
99°
81°
17
100°
77°
18
103°
74°
19
105°
80°
20
107°
83°
21
110°
86°
22
105°
85°
23
105°
87°
24
102°
87°
25
93°
83°
26
92°
78°
27
97°
73°
28
93°
80°
29
93°
74°
30
99°
76°
31
103°
80°
1
105°
81°
2
96°
84°
3
96°
80°
4
94°
80°
5
92°
71°
6
94°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Las Vegas
Las Vegas's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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.
