S
M
T
W
T
F
S
26
77°
56°
27
76°
52°
28
63°
47°
29
62°
42°
30
67°
38°
1
62°
37°
2
62°
44°
3
75°
47°
4
81°
49°
5
56°
43°
6
54°
40°
7
64°
42°
8
73°
50°
9
75°
51°
10
71°
51°
11
74°
53°
12
70°
51°
13
74°
49°
14
74°
52°
15
68°
54°
16
68°
57°
17
73°
58°
18
75°
58°
19
76°
59°
20
77°
60°
21
77°
60°
22
76°
54°
23
71°
52°
24
69°
55°
25
71°
58°
26
73°
54°
27
71°
54°
28
73°
53°
29
73°
54°
30
78°
63°
31
78°
63°
1
83°
64°
2
83°
63°
3
82°
60°
4
76°
60°
5
76°
56°
6
77°
56°
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 54° to 83°, with overnight lows between 37° and 64°. The average high for May is 73° with an average low of 54°. 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.
