S
M
T
W
T
F
S
28
81°
63°
29
93°
72°
30
90°
79°
1
91°
77°
2
84°
68°
3
81°
67°
4
83°
66°
5
84°
64°
6
85°
62°
7
85°
65°
8
87°
68°
9
81°
65°
10
80°
61°
11
83°
63°
12
87°
62°
13
89°
65°
14
90°
66°
15
90°
60°
16
87°
64°
17
80°
61°
18
83°
59°
19
81°
59°
20
82°
58°
21
77°
56°
22
77°
60°
23
78°
62°
24
77°
61°
25
78°
62°
26
82°
62°
27
80°
61°
28
84°
63°
29
85°
64°
30
85°
63°
31
84°
64°
1
84°
63°
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 77° to 90°, with overnight lows between 56° and 68°. The average high for July is 83° 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 Castle Rock. See also: August | September | October.
