S
M
T
W
T
F
S
31
63°
55°
1
66°
56°
2
64°
54°
3
64°
53°
4
61°
50°
5
58°
48°
6
61°
52°
7
60°
50°
8
58°
47°
9
58°
47°
10
59°
47°
11
62°
52°
12
64°
53°
13
64°
52°
14
66°
49°
15
69°
52°
16
64°
55°
17
66°
56°
18
67°
58°
19
64°
57°
20
66°
52°
21
70°
50°
22
N/A
23
70°
57°
24
77°
58°
25
86°
59°
26
71°
58°
27
63°
53°
28
64°
52°
29
63°
50°
30
64°
51°
1
64°
53°
2
62°
50°
3
62°
50°
4
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Castlebar
Castlebar's June 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 50° and 59°. The average high for June is 68° 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 June weather will actually feel in Castlebar. See also: July | August | September.
