S
M
T
W
T
F
S
26
78°
63°
27
85°
62°
28
86°
62°
29
81°
61°
30
86°
61°
31
84°
63°
1
87°
62°
2
79°
58°
3
81°
62°
4
86°
62°
5
86°
61°
6
87°
62°
7
79°
60°
8
81°
61°
9
85°
61°
10
85°
62°
11
86°
62°
12
84°
61°
13
83°
61°
14
75°
60°
15
75°
60°
16
76°
59°
17
76°
59°
18
79°
60°
19
81°
59°
20
82°
60°
21
75°
56°
22
79°
55°
23
84°
55°
24
78°
48°
25
79°
47°
26
71°
48°
27
71°
52°
28
73°
47°
29
72°
55°
30
73°
57°
31
81°
48°
1
75°
54°
2
81°
56°
3
82°
54°
4
75°
50°
5
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Custer State Park Headquarters
Custer State Park Headquarters's August 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 47° and 63°. The average high for August is 80° with an average low of 58°. 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 Custer State Park Headquarters. See also: September | October | November.
