S
M
T
W
T
F
S
28
67°
56°
29
64°
54°
30
63°
53°
1
66°
53°
2
74°
55°
3
76°
58°
4
75°
56°
5
82°
55°
6
86°
50°
7
78°
54°
8
76°
51°
9
77°
55°
10
74°
56°
11
74°
52°
12
78°
50°
13
85°
52°
14
84°
53°
15
83°
55°
16
82°
56°
17
81°
55°
18
81°
56°
19
82°
55°
20
80°
56°
21
81°
53°
22
83°
54°
23
84°
56°
24
76°
50°
25
83°
54°
26
83°
55°
27
84°
58°
28
84°
58°
29
83°
52°
30
82°
56°
31
76°
51°
1
76°
51°
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 74° to 85°, with overnight lows between 50° and 58°. The average high for July is 80° 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.
