S
M
T
W
T
F
S
26
83°
56°
27
79°
56°
28
72°
57°
29
81°
60°
30
71°
52°
1
67°
46°
2
69°
50°
3
71°
40°
4
79°
40°
5
79°
50°
6
72°
63°
7
71°
52°
8
72°
44°
9
77°
49°
10
83°
53°
11
78°
56°
12
75°
54°
13
81°
51°
14
76°
52°
15
79°
43°
16
83°
50°
17
90°
55°
18
89°
65°
19
90°
65°
20
89°
61°
21
80°
67°
22
80°
65°
23
83°
68°
24
76°
68°
25
81°
67°
26
82°
69°
27
83°
68°
28
83°
68°
29
76°
68°
30
77°
65°
31
79°
66°
1
76°
58°
2
78°
59°
3
77°
60°
4
75°
58°
5
75°
59°
6
78°
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 75° to 83°, with overnight lows between 58° and 68°. The average high for May is 78° with an average low of 63°. 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.
