S
M
T
W
T
F
S
26
106°
86°
27
107°
86°
28
108°
85°
29
107°
83°
30
108°
81°
31
107°
81°
1
107°
82°
2
110°
85°
3
112°
87°
4
113°
86°
5
112°
85°
6
111°
86°
7
113°
86°
8
112°
85°
9
112°
82°
10
111°
82°
11
111°
81°
12
110°
83°
13
111°
81°
14
110°
81°
15
108°
80°
16
107°
79°
17
106°
78°
18
105°
77°
19
105°
78°
20
104°
78°
21
104°
79°
22
105°
77°
23
105°
78°
24
106°
79°
25
106°
82°
26
108°
79°
27
106°
78°
28
109°
80°
29
110°
82°
30
109°
82°
31
105°
81°
1
103°
81°
2
104°
80°
3
106°
79°
4
106°
79°
5
105°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Quartzsite
Quartzsite's August 2026 forecast shows daily high temperatures ranging from 103° to 113°, with overnight lows between 77° and 87°. The average high for August is 108° with an average low of 81°. 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 Quartzsite. See also: September | October | November.