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
88°
62°
7
86°
60°
8
77°
56°
9
78°
58°
10
85°
62°
11
96°
68°
12
99°
69°
13
96°
66°
14
90°
63°
15
90°
61°
16
90°
60°
17
88°
64°
18
90°
60°
19
83°
57°
20
88°
63°
21
86°
63°
22
87°
62°
23
86°
63°
24
87°
63°
25
86°
62°
26
87°
63°
27
88°
63°
28
87°
62°
29
86°
63°
30
88°
63°
31
89°
64°
1
86°
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 77° to 99°, with overnight lows between 56° and 69°. The average high for July is 88° 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.
