S
M
T
W
T
F
S
31
78°
47°
1
79°
51°
2
75°
51°
3
82°
46°
4
88°
49°
5
90°
54°
6
89°
58°
7
92°
66°
8
82°
62°
9
83°
65°
10
88°
71°
11
94°
68°
12
98°
67°
13
89°
65°
14
93°
63°
15
81°
61°
16
75°
56°
17
80°
57°
18
88°
63°
19
86°
62°
20
83°
64°
21
88°
65°
22
85°
65°
23
88°
61°
24
87°
62°
25
81°
64°
26
84°
60°
27
79°
58°
28
80°
58°
29
80°
59°
30
81°
59°
1
84°
65°
2
88°
66°
3
87°
66°
4
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Castleton
Castleton's June 2026 forecast shows daily high temperatures ranging from 75° to 98°, with overnight lows between 56° and 68°. The average high for June is 85° 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 June weather will actually feel in Castleton. See also: July | August | September.
