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
96°
68°
20
93°
63°
21
63°
54°
22
66°
53°
23
54°
50°
24
58°
51°
25
74°
60°
26
81°
66°
27
82°
62°
28
76°
54°
29
75°
53°
30
70°
47°
31
74°
50°
1
75°
54°
2
76°
52°
3
75°
55°
4
78°
57°
5
80°
58°
6
81°
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 70° to 82°, with overnight lows between 47° and 66°. The average high for May is 77° 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.
