S
M
T
W
T
F
S
28
104°
77°
29
103°
75°
30
102°
77°
1
102°
76°
2
100°
73°
3
100°
75°
4
103°
78°
5
103°
77°
6
101°
73°
7
96°
72°
8
96°
74°
9
97°
73°
10
97°
74°
11
102°
75°
12
103°
77°
13
100°
79°
14
101°
78°
15
102°
80°
16
103°
80°
17
100°
78°
18
101°
79°
19
101°
80°
20
98°
76°
21
97°
78°
22
100°
80°
23
103°
80°
24
104°
79°
25
105°
81°
26
103°
80°
27
106°
82°
28
107°
83°
29
105°
80°
30
103°
79°
31
101°
75°
1
103°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Boulder City
Boulder City's July 2026 forecast shows daily high temperatures ranging from 96° to 107°, with overnight lows between 72° and 83°. The average high for July 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 July weather will actually feel in Boulder City. See also: August | September | October.