S
M
T
W
T
F
S
26
102°
88°
27
110°
86°
28
111°
88°
29
108°
85°
30
115°
85°
31
110°
86°
1
115°
84°
2
116°
83°
3
115°
81°
4
113°
82°
5
112°
82°
6
110°
82°
7
110°
82°
8
105°
78°
9
104°
77°
10
103°
78°
11
104°
77°
12
103°
78°
13
102°
77°
14
103°
78°
15
98°
76°
16
98°
76°
17
99°
76°
18
99°
77°
19
100°
78°
20
101°
78°
21
102°
79°
22
104°
79°
23
105°
78°
24
104°
79°
25
104°
79°
26
103°
78°
27
103°
78°
28
102°
77°
29
100°
78°
30
99°
77°
31
100°
77°
1
101°
78°
2
101°
76°
3
98°
77°
4
95°
75°
5
95°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Joshua Tree National Park
Joshua Tree National Park's August 2026 forecast shows daily high temperatures ranging from 95° to 116°, with overnight lows between 73° and 84°. The average high for August is 104° 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. See also: September | October | November.
