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
89°
59°
8
76°
56°
9
78°
58°
10
85°
62°
11
94°
68°
12
99°
69°
13
96°
66°
14
93°
63°
15
84°
57°
16
79°
59°
17
88°
64°
18
90°
64°
19
87°
60°
20
83°
57°
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 76° to 99°, with overnight lows between 56° and 69°. 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.
