S
M
T
W
T
F
S
31
64°
37°
1
63°
36°
2
65°
37°
3
68°
38°
4
67°
36°
5
66°
39°
6
71°
39°
7
73°
36°
8
75°
34°
9
67°
41°
10
70°
43°
11
74°
46°
12
75°
47°
13
79°
47°
14
79°
45°
15
78°
47°
16
80°
48°
17
81°
42°
18
81°
37°
19
68°
37°
20
70°
42°
21
76°
47°
22
79°
47°
23
81°
49°
24
83°
50°
25
83°
50°
26
84°
49°
27
83°
49°
28
83°
48°
29
84°
49°
30
83°
50°
1
85°
48°
2
84°
50°
3
82°
48°
4
82°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Castle Rocks
Castle Rocks's June 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 34° and 50°. The average high for June is 76° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Castle Rocks. See also: July | August | September.