S
M
T
W
T
F
S
28
75°
48°
29
70°
54°
30
78°
49°
1
80°
51°
2
82°
52°
3
78°
50°
4
78°
50°
5
87°
52°
6
85°
58°
7
87°
56°
8
75°
51°
9
83°
58°
10
87°
63°
11
92°
65°
12
97°
66°
13
98°
65°
14
95°
66°
15
95°
65°
16
93°
66°
17
91°
61°
18
85°
60°
19
86°
61°
20
85°
59°
21
82°
60°
22
83°
57°
23
86°
63°
24
87°
63°
25
78°
62°
26
78°
63°
27
85°
62°
28
86°
62°
29
81°
61°
30
86°
61°
31
84°
63°
1
87°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Custer State Park
Custer State Park's July 2026 forecast shows daily high temperatures ranging from 78° to 98°, with overnight lows between 57° and 66°. The average high for July is 87° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Custer State Park. See also: August | September | October.
