S
M
T
W
T
F
S
28
90°
49°
29
86°
61°
30
90°
55°
1
88°
60°
2
94°
60°
3
83°
60°
4
89°
66°
5
99°
70°
6
92°
67°
7
87°
62°
8
82°
63°
9
85°
62°
10
87°
67°
11
96°
70°
12
97°
67°
13
93°
66°
14
89°
67°
15
93°
65°
16
92°
63°
17
85°
62°
18
89°
68°
19
88°
68°
20
91°
69°
21
89°
68°
22
89°
68°
23
88°
69°
24
89°
68°
25
89°
68°
26
88°
67°
27
91°
68°
28
90°
69°
29
89°
68°
30
90°
68°
31
91°
69°
1
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Rapid City
Rapid City's July 2026 forecast shows daily high temperatures ranging from 82° to 99°, with overnight lows between 62° and 70°. The average high for July is 90° with an average low of 67°. 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 Rapid City. See also: August | September | October.
