S
M
T
W
T
F
S
26
48°
38°
27
60°
38°
28
49°
34°
29
65°
34°
30
61°
40°
1
65°
33°
2
74°
33°
3
78°
43°
4
82°
39°
5
49°
41°
6
53°
40°
7
77°
37°
8
78°
49°
9
81°
41°
10
73°
47°
11
88°
50°
12
83°
52°
13
85°
41°
14
88°
56°
15
95°
47°
16
87°
53°
17
75°
52°
18
53°
42°
19
65°
37°
20
61°
45°
21
65°
43°
22
71°
47°
23
77°
52°
24
90°
58°
25
89°
58°
26
83°
60°
27
72°
56°
28
74°
56°
29
78°
55°
30
77°
54°
31
82°
59°
1
84°
57°
2
81°
57°
3
79°
54°
4
82°
55°
5
75°
59°
6
76°
60°
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 71° to 90°, with overnight lows between 47° and 60°. The average high for May is 79° 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.
