S
M
T
W
T
F
S
28
83°
55°
29
80°
54°
30
88°
59°
1
84°
58°
2
86°
55°
3
88°
50°
4
81°
48°
5
78°
52°
6
81°
54°
7
85°
54°
8
81°
52°
9
89°
51°
10
82°
57°
11
83°
57°
12
89°
56°
13
87°
56°
14
88°
58°
15
91°
57°
16
90°
58°
17
89°
57°
18
90°
58°
19
86°
57°
20
89°
59°
21
91°
60°
22
90°
53°
23
82°
55°
24
81°
55°
25
80°
56°
26
81°
54°
27
81°
55°
28
86°
56°
29
81°
54°
30
82°
53°
31
82°
53°
1
81°
56°
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 78° to 91°, with overnight lows between 48° and 60°. The average high for July is 85° with an average low of 55°. 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.
