S
M
T
W
T
F
S
26
66°
58°
27
65°
57°
28
64°
58°
29
64°
57°
30
62°
56°
31
61°
55°
1
61°
55°
2
62°
57°
3
62°
58°
4
63°
57°
5
62°
57°
6
61°
56°
7
61°
57°
8
62°
57°
9
62°
58°
10
63°
57°
11
65°
58°
12
65°
58°
13
64°
57°
14
62°
57°
15
63°
56°
16
66°
56°
17
61°
54°
18
62°
52°
19
62°
52°
20
61°
53°
21
62°
51°
22
61°
54°
23
62°
54°
24
62°
53°
25
63°
54°
26
62°
56°
27
62°
55°
28
63°
54°
29
61°
54°
30
60°
55°
31
61°
56°
1
63°
55°
2
62°
56°
3
64°
56°
4
64°
55°
5
63°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ballycastle
Ballycastle's August 2026 forecast shows daily high temperatures ranging from 60° to 66°, with overnight lows between 51° and 58°. The average high for August is 63° with an average low of 56°. 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 Ballycastle. See also: September | October | November.
