S
M
T
W
T
F
S
26
52°
28°
27
59°
20°
28
55°
26°
29
64°
24°
30
68°
24°
1
64°
28°
2
69°
35°
3
72°
29°
4
71°
32°
5
76°
29°
6
74°
41°
7
70°
30°
8
64°
29°
9
68°
27°
10
65°
35°
11
60°
31°
12
74°
34°
13
64°
43°
14
55°
31°
15
48°
29°
16
44°
32°
17
58°
35°
18
58°
32°
19
61°
38°
20
62°
32°
21
61°
28°
22
64°
42°
23
69°
39°
24
62°
28°
25
60°
44°
26
60°
42°
27
74°
32°
28
81°
35°
29
67°
44°
30
59°
41°
31
59°
40°
1
72°
39°
2
65°
42°
3
68°
47°
4
75°
44°
5
72°
38°
6
68°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Jersey
New Jersey's May 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 38° and 47°. The average high for May is 68° with an average low of 41°. 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 New Jersey. See also: June | July | August.
