S
M
T
W
T
F
S
26
63°
57°
27
70°
55°
28
73°
63°
29
68°
54°
30
64°
46°
31
63°
46°
1
68°
48°
2
66°
43°
3
N/A
4
67°
55°
5
59°
51°
6
63°
52°
7
66°
55°
8
63°
53°
9
62°
52°
10
62°
51°
11
68°
55°
12
69°
56°
13
67°
54°
14
68°
54°
15
68°
55°
16
69°
56°
17
64°
53°
18
62°
52°
19
62°
50°
20
63°
51°
21
62°
50°
22
62°
52°
23
63°
55°
24
64°
55°
25
65°
54°
26
64°
55°
27
64°
55°
28
66°
54°
29
65°
55°
30
66°
53°
31
62°
52°
1
63°
51°
2
61°
53°
3
62°
54°
4
62°
54°
5
63°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Coleraine
Coleraine's August 2026 forecast shows daily high temperatures ranging from 59° to 69°, with overnight lows between 50° and 56°. The average high for August is 64° with an average low of 53°. 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 Coleraine. See also: September | October | November.
