S
M
T
W
T
F
S
28
82°
55°
29
85°
56°
30
86°
57°
1
88°
55°
2
86°
56°
3
86°
56°
4
87°
53°
5
84°
56°
6
83°
57°
7
89°
58°
8
90°
60°
9
90°
60°
10
89°
59°
11
88°
56°
12
87°
54°
13
82°
55°
14
82°
55°
15
85°
57°
16
89°
58°
17
90°
59°
18
90°
59°
19
89°
58°
20
83°
57°
21
84°
60°
22
89°
60°
23
89°
57°
24
83°
60°
25
87°
60°
26
89°
58°
27
89°
56°
28
88°
56°
29
86°
57°
30
89°
56°
31
85°
59°
1
90°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Castle Rock
Castle Rock's July 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 53° and 60°. The average high for July is 87° with an average low of 57°. 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 Castle Rock. See also: August | September | October.
