S
M
T
W
T
F
S
31
78°
53°
1
70°
52°
2
76°
60°
3
80°
63°
4
84°
66°
5
89°
71°
6
88°
67°
7
86°
63°
8
78°
61°
9
78°
64°
10
75°
63°
11
81°
67°
12
83°
66°
13
82°
67°
14
83°
64°
15
79°
60°
16
75°
60°
17
76°
61°
18
77°
62°
19
80°
63°
20
82°
64°
21
80°
63°
22
78°
63°
23
78°
67°
24
79°
70°
25
81°
64°
26
78°
64°
27
82°
70°
28
85°
71°
29
82°
67°
30
80°
66°
1
80°
66°
2
81°
67°
3
82°
72°
4
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Castle Hill
Castle Hill's June 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 52° and 72°. The average high for June is 80° with an average low of 65°. 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 Hill. See also: July | August | September.
