S
M
T
W
T
F
S
26
68°
45°
27
61°
43°
28
54°
36°
29
54°
34°
30
52°
37°
1
52°
34°
2
66°
30°
3
72°
46°
4
63°
36°
5
50°
30°
6
48°
27°
7
61°
32°
8
73°
36°
9
61°
39°
10
63°
32°
11
70°
30°
12
73°
54°
13
72°
41°
14
79°
45°
15
90°
52°
16
81°
46°
17
77°
55°
18
64°
55°
19
54°
39°
20
62°
47°
21
61°
49°
22
61°
48°
23
69°
51°
24
76°
58°
25
77°
56°
26
78°
58°
27
77°
60°
28
78°
57°
29
77°
59°
30
77°
57°
31
78°
60°
1
75°
55°
2
71°
59°
3
71°
57°
4
73°
57°
5
77°
61°
6
75°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Matawan
Matawan's May 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 39° and 61°. The average high for May is 72° with an average low of 55°. 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 Matawan. See also: June | July | August.