S
M
T
W
T
F
S
26
81°
61°
27
84°
62°
28
82°
61°
29
79°
61°
30
77°
58°
31
76°
57°
1
76°
59°
2
77°
60°
3
77°
59°
4
79°
62°
5
86°
62°
6
87°
63°
7
87°
62°
8
85°
62°
9
85°
61°
10
86°
62°
11
86°
63°
12
85°
62°
13
85°
61°
14
76°
54°
15
77°
51°
16
77°
56°
17
81°
53°
18
78°
55°
19
77°
51°
20
75°
53°
21
76°
51°
22
83°
56°
23
83°
59°
24
84°
58°
25
84°
57°
26
82°
59°
27
84°
58°
28
83°
49°
29
81°
52°
30
73°
55°
31
76°
54°
1
75°
54°
2
76°
55°
3
81°
56°
4
80°
53°
5
81°
48°
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 73° to 87°, with overnight lows between 48° and 63°. The average high for August is 81° with an average low of 57°. 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.
