S
M
T
W
T
F
S
26
68°
54°
27
68°
53°
28
65°
54°
29
64°
54°
30
63°
52°
31
62°
51°
1
64°
50°
2
63°
52°
3
63°
54°
4
64°
53°
5
63°
53°
6
62°
52°
7
62°
54°
8
63°
54°
9
63°
53°
10
64°
54°
11
67°
55°
12
67°
54°
13
65°
54°
14
65°
53°
15
64°
50°
16
67°
52°
17
64°
51°
18
63°
49°
19
63°
49°
20
64°
50°
21
63°
47°
22
62°
51°
23
62°
50°
24
63°
50°
25
62°
51°
26
62°
52°
27
64°
51°
28
65°
51°
29
64°
50°
30
63°
51°
31
62°
52°
1
65°
51°
2
63°
52°
3
65°
52°
4
66°
51°
5
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Castlederg
Castlederg's August 2026 forecast shows daily high temperatures ranging from 62° to 68°, with overnight lows between 47° and 55°. The average high for August is 64° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Castlederg. See also: September | October | November.
