S
M
T
W
T
F
S
31
65°
42°
1
64°
41°
2
66°
48°
3
72°
52°
4
68°
51°
5
75°
47°
6
84°
55°
7
86°
61°
8
70°
56°
9
85°
54°
10
72°
46°
11
67°
46°
12
76°
50°
13
68°
45°
14
59°
43°
15
64°
46°
16
65°
47°
17
70°
49°
18
65°
51°
19
68°
48°
20
72°
51°
21
76°
50°
22
69°
56°
23
79°
56°
24
71°
57°
25
70°
57°
26
72°
51°
27
72°
55°
28
80°
58°
29
79°
58°
30
82°
59°
1
83°
60°
2
82°
59°
3
75°
57°
4
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Custer State Park Headquarters
Custer State Park Headquarters's June 2026 forecast shows daily high temperatures ranging from 59° to 85°, with overnight lows between 43° and 60°. The average high for June is 73° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Custer State Park Headquarters. See also: July | August | September.
