S
M
T
W
T
F
S
26
106°
80°
27
106°
73°
28
97°
75°
29
98°
76°
30
101°
78°
31
102°
79°
1
103°
80°
2
104°
81°
3
105°
82°
4
105°
80°
5
102°
81°
6
103°
80°
7
100°
75°
8
96°
76°
9
95°
75°
10
96°
74°
11
96°
72°
12
99°
76°
13
99°
76°
14
Hist. Avg.
99°
78°
15
Hist. Avg.
99°
78°
16
Hist. Avg.
99°
78°
17
Hist. Avg.
99°
78°
18
Hist. Avg.
98°
77°
19
Hist. Avg.
98°
77°
20
Hist. Avg.
98°
77°
21
Hist. Avg.
98°
77°
22
Hist. Avg.
98°
77°
23
Hist. Avg.
98°
77°
24
Hist. Avg.
97°
77°
25
Hist. Avg.
97°
76°
26
Hist. Avg.
97°
76°
27
Hist. Avg.
97°
76°
28
Hist. Avg.
96°
76°
29
Hist. Avg.
96°
76°
30
Hist. Avg.
96°
76°
31
Hist. Avg.
96°
76°
1
Hist. Avg.
96°
75°
2
Hist. Avg.
95°
75°
3
Hist. Avg.
95°
75°
4
Hist. Avg.
95°
75°
5
Hist. Avg.
94°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Boulder City
Boulder City's August 2026 forecast shows daily high temperatures ranging from 95° to 106°, with overnight lows between 72° and 82°. The average high for August is 101° with an average low of 77°. 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 Boulder City. See also: September | October | November.
