S
M
T
W
T
F
S
28
62°
51°
29
62°
54°
30
63°
53°
1
63°
55°
2
64°
55°
3
63°
54°
4
64°
55°
5
63°
54°
6
64°
55°
7
64°
55°
8
65°
54°
9
64°
54°
10
64°
55°
11
65°
54°
12
65°
55°
13
67°
56°
14
69°
53°
15
68°
54°
16
68°
55°
17
67°
56°
18
69°
54°
19
68°
54°
20
68°
53°
21
67°
55°
22
68°
55°
23
68°
56°
24
68°
56°
25
69°
54°
26
70°
55°
27
68°
56°
28
67°
55°
29
70°
56°
30
69°
55°
31
69°
55°
1
68°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Castlewellan
Castlewellan's July 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 51° and 56°. The average high for July is 66° with an average low of 55°. 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 Castlewellan. See also: August | September | October.
