S
M
T
W
T
F
S
26
59°
43°
27
69°
42°
28
64°
44°
29
61°
49°
30
62°
48°
1
65°
44°
2
63°
50°
3
61°
46°
4
74°
47°
5
85°
58°
6
72°
56°
7
66°
50°
8
65°
46°
9
69°
52°
10
77°
50°
11
62°
51°
12
68°
44°
13
76°
51°
14
68°
52°
15
68°
51°
16
83°
51°
17
90°
65°
18
92°
68°
19
97°
73°
20
94°
66°
21
65°
56°
22
67°
57°
23
56°
49°
24
59°
55°
25
74°
63°
26
78°
64°
27
84°
67°
28
83°
59°
29
79°
58°
30
77°
55°
31
75°
58°
1
78°
62°
2
77°
60°
3
79°
61°
4
76°
62°
5
79°
59°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roselle Park
Roselle Park's May 2026 forecast shows daily high temperatures ranging from 56° to 84°, with overnight lows between 49° and 67°. 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 Roselle Park. See also: June | July | August.
