S
M
T
W
T
F
S
26
101°
73°
27
100°
72°
28
100°
72°
29
99°
68°
30
96°
69°
31
97°
71°
1
98°
70°
2
96°
65°
3
95°
65°
4
95°
66°
5
96°
67°
6
98°
69°
7
99°
69°
8
100°
66°
9
100°
65°
10
99°
65°
11
98°
66°
12
97°
65°
13
97°
67°
14
95°
70°
15
95°
68°
16
97°
69°
17
95°
65°
18
96°
64°
19
94°
63°
20
95°
64°
21
95°
66°
22
Hist. Avg.
97°
66°
23
Hist. Avg.
97°
65°
24
Hist. Avg.
97°
65°
25
Hist. Avg.
97°
65°
26
Hist. Avg.
97°
65°
27
Hist. Avg.
97°
65°
28
Hist. Avg.
97°
64°
29
Hist. Avg.
97°
64°
30
Hist. Avg.
97°
64°
31
Hist. Avg.
96°
64°
1
Hist. Avg.
96°
64°
2
Hist. Avg.
96°
64°
3
Hist. Avg.
96°
64°
4
Hist. Avg.
96°
63°
5
Hist. Avg.
96°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Joshua Tree Campground
Joshua Tree Campground's August 2026 forecast shows daily high temperatures ranging from 94° to 101°, with overnight lows between 63° and 73°. The average high for August is 97° with an average low of 67°. 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 Campground. See also: September | October | November.