S
M
T
W
T
F
S
26
59°
41°
27
69°
38°
28
62°
40°
29
65°
48°
30
63°
47°
1
64°
42°
2
61°
46°
3
60°
43°
4
72°
42°
5
82°
54°
6
68°
55°
7
65°
49°
8
66°
44°
9
64°
48°
10
77°
47°
11
61°
47°
12
66°
40°
13
74°
49°
14
65°
51°
15
69°
48°
16
82°
60°
17
87°
59°
18
89°
65°
19
94°
66°
20
91°
61°
21
73°
47°
22
68°
50°
23
73°
51°
24
73°
53°
25
77°
57°
26
80°
60°
27
81°
54°
28
72°
51°
29
70°
54°
30
71°
58°
31
78°
55°
1
71°
53°
2
72°
53°
3
71°
52°
4
72°
52°
5
74°
59°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Trenton
Trenton's May 2026 forecast shows daily high temperatures ranging from 68° to 94°, with overnight lows between 47° and 66°. The average high for May is 77° with an average low of 56°. 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 Trenton. See also: June | July | August.
