S
M
T
W
T
F
S
26
57°
47°
27
66°
41°
28
66°
48°
29
61°
54°
30
65°
43°
1
66°
39°
2
58°
44°
3
62°
38°
4
73°
48°
5
81°
53°
6
75°
59°
7
62°
44°
8
70°
37°
9
74°
51°
10
80°
46°
11
60°
44°
12
72°
40°
13
72°
50°
14
57°
46°
15
72°
45°
16
80°
45°
17
89°
57°
18
91°
60°
19
92°
63°
20
91°
63°
21
72°
61°
22
57°
51°
23
57°
53°
24
70°
62°
25
75°
63°
26
71°
62°
27
79°
63°
28
77°
58°
29
75°
54°
30
74°
55°
31
79°
62°
1
80°
62°
2
79°
61°
3
79°
62°
4
82°
57°
5
83°
62°
6
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roseland
Roseland's May 2026 forecast shows daily high temperatures ranging from 57° to 83°, with overnight lows between 51° and 63°. The average high for May is 75° with an average low of 59°. 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 Roseland. See also: June | July | August.