S
M
T
W
T
F
S
26
82°
59°
27
74°
53°
28
72°
47°
29
83°
57°
30
78°
63°
1
70°
59°
2
61°
49°
3
73°
45°
4
80°
45°
5
83°
50°
6
87°
58°
7
79°
63°
8
74°
53°
9
74°
58°
10
87°
62°
11
86°
59°
12
73°
55°
13
80°
52°
14
82°
58°
15
81°
46°
16
87°
51°
17
91°
68°
18
91°
65°
19
92°
61°
20
92°
65°
21
92°
67°
22
86°
68°
23
86°
68°
24
86°
68°
25
87°
67°
26
88°
69°
27
87°
68°
28
85°
67°
29
85°
65°
30
84°
64°
31
85°
63°
1
84°
74°
2
90°
67°
3
88°
66°
4
84°
67°
5
85°
66°
6
88°
67°
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 84° to 92°, with overnight lows between 63° and 74°. The average high for May is 87° with an average low of 67°. 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.