S
M
T
W
T
F
S
26
58°
44°
27
64°
44°
28
56°
48°
29
62°
46°
30
63°
47°
1
60°
45°
2
58°
44°
3
59°
45°
4
62°
44°
5
61°
46°
6
73°
46°
7
67°
50°
8
64°
45°
9
65°
44°
10
65°
44°
11
66°
46°
12
65°
48°
13
64°
47°
14
65°
48°
15
65°
46°
16
66°
46°
17
66°
47°
18
67°
47°
19
66°
48°
20
66°
48°
21
68°
47°
22
69°
48°
23
70°
55°
24
76°
56°
25
73°
52°
26
70°
49°
27
70°
50°
28
72°
54°
29
71°
57°
30
71°
58°
31
73°
59°
1
74°
59°
2
76°
58°
3
73°
59°
4
77°
58°
5
80°
52°
6
76°
52°
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 56° to 80°, with overnight lows between 44° and 59°. The average high for May is 67° with an average low of 49°. 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.
