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
67°
50°
16
82°
45°
17
87°
61°
18
94°
62°
19
99°
73°
20
96°
56°
21
71°
50°
22
62°
48°
23
61°
52°
24
70°
54°
25
71°
57°
26
75°
59°
27
80°
57°
28
75°
57°
29
75°
55°
30
78°
56°
31
81°
61°
1
84°
55°
2
75°
57°
3
71°
59°
4
73°
59°
5
77°
57°
6
76°
59°
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 61° to 99°, with overnight lows between 48° and 73°. The average high for May is 76° with an average low of 57°. 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.
