S
M
T
W
T
F
S
26
57°
49°
27
57°
48°
28
58°
48°
29
58°
52°
30
57°
48°
31
57°
48°
1
56°
48°
2
57°
50°
3
62°
52°
4
60°
53°
5
60°
52°
6
59°
49°
7
60°
48°
8
62°
53°
9
58°
53°
10
57°
52°
11
57°
53°
12
63°
53°
13
64°
52°
14
64°
53°
15
63°
52°
16
63°
52°
17
62°
51°
18
62°
49°
19
57°
47°
20
57°
47°
21
56°
48°
22
57°
51°
23
57°
48°
24
56°
49°
25
57°
48°
26
56°
47°
27
60°
50°
28
61°
49°
29
62°
51°
30
61°
51°
31
62°
52°
1
62°
51°
2
61°
51°
3
59°
49°
4
56°
44°
5
54°
42°
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 42° and 53°. The average high for August is 59° with an average low of 50°. 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.