S
M
T
W
T
F
S
26
103°
82°
27
106°
82°
28
105°
78°
29
105°
77°
30
105°
73°
31
108°
79°
1
111°
81°
2
109°
83°
3
109°
80°
4
109°
78°
5
108°
83°
6
106°
79°
7
107°
83°
8
107°
85°
9
107°
83°
10
107°
83°
11
97°
78°
12
100°
79°
13
95°
76°
14
97°
75°
15
98°
71°
16
100°
75°
17
103°
80°
18
104°
78°
19
105°
78°
20
105°
77°
21
112°
85°
22
112°
83°
23
112°
81°
24
111°
80°
25
112°
81°
26
112°
80°
27
111°
81°
28
109°
80°
29
112°
77°
30
111°
76°
31
109°
76°
1
107°
75°
2
106°
74°
3
105°
73°
4
103°
72°
5
106°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Joshua Tree National Park Headquarters
Joshua Tree National Park Headquarters's August 2026 forecast shows daily high temperatures ranging from 103° to 112°, with overnight lows between 72° and 85°. The average high for August is 109° with an average low of 78°. 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 Joshua Tree National Park Headquarters. See also: September | October | November.
