S
M
T
W
T
F
S
26
59°
39°
27
61°
45°
28
55°
38°
29
58°
40°
30
64°
41°
1
63°
48°
2
58°
45°
3
58°
43°
4
58°
44°
5
57°
42°
6
55°
40°
7
55°
42°
8
57°
43°
9
56°
45°
10
55°
43°
11
55°
45°
12
56°
42°
13
55°
44°
14
55°
45°
15
59°
46°
16
60°
45°
17
57°
41°
18
59°
47°
19
61°
48°
20
62°
48°
21
61°
47°
22
60°
48°
23
61°
47°
24
62°
48°
25
62°
47°
26
58°
46°
27
59°
45°
28
62°
46°
29
58°
44°
30
63°
48°
31
63°
48°
1
64°
49°
2
64°
49°
3
63°
48°
4
63°
49°
5
62°
49°
6
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roslin
Roslin's May 2026 forecast shows daily high temperatures ranging from 55° to 64°, with overnight lows between 38° and 49°. The average high for May is 59° with an average low of 45°. 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 Roslin. See also: June | July | August.