S
M
T
W
T
F
S
26
63°
32°
27
61°
33°
28
61°
27°
29
48°
38°
30
53°
38°
1
54°
41°
2
58°
36°
3
48°
33°
4
55°
38°
5
57°
45°
6
52°
46°
7
54°
42°
8
58°
38°
9
56°
43°
10
57°
42°
11
59°
41°
12
56°
37°
13
59°
31°
14
63°
38°
15
60°
41°
16
60°
41°
17
61°
50°
18
58°
44°
19
62°
44°
20
62°
43°
21
61°
44°
22
62°
46°
23
62°
45°
24
63°
45°
25
58°
44°
26
57°
45°
27
60°
46°
28
61°
45°
29
58°
45°
30
58°
46°
31
61°
47°
1
59°
47°
2
63°
46°
3
61°
48°
4
64°
48°
5
60°
47°
6
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rothesay
Rothesay's May 2026 forecast shows daily high temperatures ranging from 52° to 64°, with overnight lows between 31° and 50°. The average high for May is 59° with an average low of 44°. 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 Rothesay. See also: June | July | August.