S
M
T
W
T
F
S
26
60°
44°
27
60°
41°
28
62°
41°
29
62°
40°
30
60°
40°
1
63°
43°
2
64°
42°
3
63°
41°
4
64°
46°
5
73°
51°
6
73°
46°
7
68°
46°
8
74°
53°
9
76°
53°
10
76°
51°
11
68°
45°
12
64°
44°
13
66°
47°
14
66°
47°
15
67°
51°
16
66°
51°
17
67°
50°
18
78°
47°
19
70°
48°
20
73°
48°
21
70°
47°
22
70°
46°
23
69°
47°
24
70°
47°
25
71°
50°
26
72°
51°
27
72°
50°
28
73°
50°
29
73°
59°
30
74°
51°
31
80°
51°
1
74°
58°
2
75°
54°
3
79°
52°
4
77°
57°
5
81°
53°
6
77°
54°
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 60° to 81°, with overnight lows between 40° and 59°. The average high for May is 70° with an average low of 48°. 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.
