S
M
T
W
T
F
S
26
66°
56°
27
67°
55°
28
66°
54°
29
66°
56°
30
67°
56°
31
67°
55°
1
68°
54°
2
66°
54°
3
68°
52°
4
68°
54°
5
69°
54°
6
68°
51°
7
68°
52°
8
66°
51°
9
69°
51°
10
69°
52°
11
70°
55°
12
69°
56°
13
68°
56°
14
70°
55°
15
70°
54°
16
68°
55°
17
67°
52°
18
66°
55°
19
67°
51°
20
68°
54°
21
69°
53°
22
69°
52°
23
68°
54°
24
65°
53°
25
66°
53°
26
65°
52°
27
64°
55°
28
67°
54°
29
66°
54°
30
65°
53°
31
66°
54°
1
67°
52°
2
66°
53°
3
65°
52°
4
66°
52°
5
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rostrevor
Rostrevor's August 2026 forecast shows daily high temperatures ranging from 64° to 70°, with overnight lows between 51° and 56°. The average high for August is 67° 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 August weather will actually feel in Rostrevor. See also: September | October | November.
