S
M
T
W
T
F
S
26
81°
55°
27
92°
58°
28
85°
58°
29
84°
57°
30
84°
58°
31
83°
58°
1
83°
57°
2
84°
58°
3
85°
58°
4
84°
57°
5
85°
58°
6
85°
58°
7
84°
57°
8
85°
57°
9
84°
58°
10
82°
58°
11
81°
57°
12
83°
57°
13
83°
56°
14
77°
57°
15
77°
57°
16
79°
56°
17
79°
56°
18
77°
57°
19
79°
56°
20
77°
56°
21
76°
54°
22
77°
56°
23
78°
56°
24
82°
54°
25
84°
55°
26
85°
53°
27
84°
47°
28
76°
45°
29
74°
47°
30
75°
47°
31
75°
54°
1
80°
47°
2
81°
44°
3
74°
45°
4
75°
45°
5
80°
52°
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 74° to 92°, with overnight lows between 44° and 58°. The average high for August is 81° with an average low of 54°. 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.
