S
M
T
W
T
F
S
26
82°
57°
27
82°
57°
28
71°
61°
29
81°
64°
30
72°
58°
1
63°
52°
2
68°
44°
3
70°
42°
4
77°
49°
5
80°
58°
6
78°
62°
7
71°
47°
8
70°
46°
9
75°
52°
10
77°
59°
11
80°
57°
12
80°
57°
13
81°
58°
14
82°
56°
15
83°
61°
16
82°
61°
17
83°
60°
18
83°
61°
19
82°
62°
20
84°
62°
21
84°
61°
22
83°
62°
23
83°
62°
24
79°
61°
25
83°
63°
26
84°
64°
27
81°
62°
28
80°
63°
29
83°
63°
30
85°
62°
31
84°
63°
1
86°
64°
2
86°
65°
3
85°
65°
4
87°
64°
5
82°
64°
6
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roselle
Roselle's May 2026 forecast shows daily high temperatures ranging from 63° to 87°, with overnight lows between 42° and 65°. The average high for May is 80° 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 Roselle. See also: June | July | August.
