S
M
T
W
T
F
S
26
52°
36°
27
51°
36°
28
54°
40°
29
50°
42°
30
51°
38°
1
53°
36°
2
54°
41°
3
53°
42°
4
51°
36°
5
51°
39°
6
53°
37°
7
55°
40°
8
53°
42°
9
47°
37°
10
48°
39°
11
48°
36°
12
47°
37°
13
47°
38°
14
48°
36°
15
47°
36°
16
47°
37°
17
48°
37°
18
48°
39°
19
49°
38°
20
49°
38°
21
50°
39°
22
48°
38°
23
49°
38°
24
48°
39°
25
49°
39°
26
50°
40°
27
49°
39°
28
49°
39°
29
50°
40°
30
51°
40°
31
50°
41°
1
50°
41°
2
51°
40°
3
50°
40°
4
50°
42°
5
51°
42°
6
52°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rowan Bay
Rowan Bay's May 2026 forecast shows daily high temperatures ranging from 47° to 55°, with overnight lows between 36° and 43°. The average high for May is 50° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Rowan Bay. See also: June | July | August.