S
M
T
W
T
F
S
26
61°
38°
27
70°
38°
28
65°
47°
29
71°
47°
30
62°
41°
1
67°
47°
2
64°
45°
3
61°
44°
4
74°
54°
5
85°
63°
6
71°
50°
7
67°
41°
8
67°
51°
9
68°
48°
10
79°
50°
11
63°
42°
12
69°
49°
13
77°
52°
14
69°
49°
15
69°
45°
16
83°
59°
17
90°
61°
18
95°
72°
19
97°
70°
20
95°
59°
21
63°
55°
22
67°
52°
23
55°
50°
24
60°
56°
25
71°
60°
26
80°
63°
27
83°
59°
28
80°
58°
29
81°
57°
30
81°
61°
31
84°
60°
1
79°
58°
2
78°
58°
3
79°
56°
4
84°
61°
5
85°
62°
6
84°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in North Plainfield
North Plainfield's May 2026 forecast shows daily high temperatures ranging from 55° to 85°, with overnight lows between 50° and 63°. The average high for May is 76° with an average low of 58°. 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 North Plainfield. See also: June | July | August.
