S
M
T
W
T
F
S
26
77°
52°
27
76°
51°
28
62°
47°
29
59°
38°
30
62°
35°
1
63°
32°
2
62°
35°
3
72°
43°
4
80°
50°
5
55°
47°
6
59°
38°
7
68°
40°
8
63°
46°
9
80°
52°
10
68°
45°
11
77°
44°
12
81°
52°
13
73°
46°
14
77°
43°
15
85°
58°
16
78°
63°
17
85°
63°
18
77°
62°
19
65°
50°
20
65°
44°
21
68°
52°
22
71°
58°
23
76°
56°
24
82°
56°
25
85°
61°
26
82°
65°
27
78°
62°
28
80°
60°
29
79°
56°
30
78°
57°
31
75°
55°
1
76°
58°
2
78°
60°
3
80°
60°
4
79°
59°
5
80°
61°
6
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Newark
Newark's May 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 55° and 65°. The average high for May is 79° 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 Newark. See also: June | July | August.