S
M
T
W
T
F
S
26
84°
65°
27
88°
68°
28
87°
71°
29
80°
66°
30
68°
59°
1
59°
53°
2
72°
48°
3
77°
45°
4
80°
50°
5
80°
57°
6
80°
61°
7
71°
58°
8
67°
58°
9
77°
62°
10
83°
60°
11
78°
65°
12
82°
60°
13
84°
58°
14
82°
60°
15
87°
59°
16
85°
67°
17
84°
68°
18
85°
71°
19
87°
70°
20
84°
69°
21
83°
68°
22
82°
66°
23
78°
66°
24
81°
66°
25
82°
65°
26
82°
65°
27
84°
64°
28
82°
64°
29
80°
65°
30
86°
62°
31
87°
65°
1
87°
67°
2
88°
66°
3
82°
66°
4
82°
63°
5
83°
66°
6
85°
67°
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 78° to 88°, with overnight lows between 62° and 71°. The average high for May is 84° with an average low of 66°. 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.
