S
M
T
W
T
F
S
26
57°
49°
27
62°
48°
28
63°
51°
29
62°
49°
30
57°
50°
31
56°
50°
1
57°
51°
2
60°
52°
3
57°
51°
4
58°
51°
5
57°
50°
6
57°
52°
7
58°
51°
8
57°
48°
9
57°
48°
10
59°
53°
11
60°
52°
12
62°
51°
13
62°
53°
14
63°
51°
15
64°
53°
16
63°
50°
17
60°
47°
18
57°
48°
19
58°
51°
20
57°
47°
21
56°
46°
22
57°
51°
23
56°
51°
24
56°
50°
25
57°
50°
26
56°
44°
27
56°
46°
28
59°
49°
29
59°
45°
30
58°
45°
31
60°
49°
1
55°
48°
2
54°
48°
3
55°
47°
4
54°
45°
5
55°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rowan Bay
Rowan Bay's August 2026 forecast shows daily high temperatures ranging from 54° to 64°, with overnight lows between 44° and 53°. The average high for August is 58° with an average low of 49°. 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 Rowan Bay. See also: September | October | November.