S
M
T
W
T
F
S
28
79°
53°
29
80°
50°
30
73°
50°
1
73°
49°
2
72°
48°
3
71°
49°
4
73°
48°
5
76°
52°
6
74°
52°
7
72°
54°
8
79°
49°
9
78°
56°
10
82°
56°
11
80°
58°
12
74°
54°
13
79°
58°
14
83°
59°
15
84°
58°
16
83°
59°
17
84°
58°
18
84°
59°
19
83°
58°
20
82°
51°
21
79°
54°
22
79°
53°
23
73°
52°
24
73°
49°
25
74°
53°
26
78°
50°
27
74°
53°
28
75°
58°
29
80°
58°
30
82°
57°
31
82°
59°
1
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Castlebar
Castlebar's July 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 48° and 59°. The average high for July is 78° 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 July weather will actually feel in Castlebar. See also: August | September | October.
