S
M
T
W
T
F
S
28
67°
56°
29
64°
54°
30
63°
53°
1
66°
53°
2
67°
57°
3
76°
54°
4
76°
53°
5
78°
50°
6
80°
51°
7
78°
52°
8
77°
53°
9
83°
54°
10
79°
53°
11
76°
54°
12
83°
56°
13
85°
57°
14
79°
53°
15
75°
53°
16
74°
56°
17
73°
51°
18
78°
54°
19
82°
55°
20
82°
54°
21
80°
55°
22
76°
54°
23
76°
55°
24
77°
55°
25
79°
54°
26
81°
57°
27
82°
56°
28
84°
56°
29
81°
52°
30
83°
57°
31
85°
58°
1
81°
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 66° to 85°, with overnight lows between 50° and 58°. The average high for July is 79° with an average low of 54°. 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.
