S
M
T
W
T
F
S
26
58°
48°
27
57°
49°
28
57°
49°
29
56°
48°
30
56°
48°
31
57°
48°
1
57°
50°
2
58°
50°
3
57°
49°
4
57°
48°
5
58°
50°
6
57°
49°
7
56°
49°
8
57°
50°
9
58°
48°
10
58°
47°
11
59°
48°
12
62°
49°
13
62°
49°
14
60°
51°
15
57°
50°
16
57°
50°
17
58°
51°
18
57°
52°
19
57°
51°
20
60°
52°
21
62°
50°
22
62°
53°
23
63°
53°
24
62°
51°
25
63°
48°
26
62°
49°
27
62°
48°
28
61°
50°
29
61°
51°
30
60°
50°
31
56°
50°
1
55°
49°
2
55°
48°
3
56°
45°
4
55°
44°
5
53°
44°
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 53° to 63°, 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.