S
M
T
W
T
F
S
31
84°
63°
1
77°
64°
2
74°
61°
3
76°
60°
4
74°
57°
5
69°
57°
6
72°
58°
7
80°
62°
8
81°
62°
9
77°
60°
10
71°
61°
11
72°
60°
12
75°
58°
13
76°
57°
14
77°
58°
15
79°
60°
16
76°
58°
17
77°
59°
18
73°
54°
19
74°
53°
20
76°
53°
21
77°
56°
22
77°
54°
23
76°
56°
24
71°
55°
25
70°
55°
26
72°
54°
27
75°
57°
28
75°
56°
29
74°
53°
30
76°
55°
1
75°
54°
2
74°
59°
3
73°
58°
4
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Castion
Castion's June 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 53° and 62°. The average high for June is 75° with an average low of 57°. 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 Castion. See also: July | August | September.