S
M
T
W
T
F
S
26
82°
59°
27
74°
53°
28
72°
47°
29
83°
57°
30
78°
63°
1
70°
59°
2
61°
49°
3
73°
45°
4
80°
53°
5
82°
60°
6
84°
66°
7
77°
55°
8
72°
53°
9
77°
57°
10
78°
64°
11
77°
59°
12
78°
58°
13
80°
60°
14
80°
60°
15
82°
59°
16
82°
61°
17
85°
60°
18
81°
63°
19
83°
63°
20
86°
65°
21
84°
64°
22
82°
58°
23
79°
57°
24
79°
59°
25
81°
61°
26
82°
59°
27
80°
59°
28
80°
60°
29
81°
61°
30
83°
62°
31
82°
64°
1
83°
67°
2
85°
66°
3
82°
67°
4
83°
67°
5
85°
66°
6
85°
68°
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 72° to 86°, with overnight lows between 53° and 68°. The average high for May is 81° with an average low of 61°. 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.
