S
M
T
W
T
F
S
26
61°
47°
27
61°
44°
28
59°
45°
29
62°
46°
30
63°
47°
1
63°
44°
2
65°
45°
3
62°
44°
4
62°
42°
5
63°
42°
6
64°
43°
7
65°
45°
8
70°
47°
9
67°
50°
10
66°
46°
11
66°
44°
12
63°
45°
13
63°
44°
14
64°
45°
15
66°
46°
16
65°
45°
17
67°
49°
18
68°
48°
19
68°
46°
20
69°
47°
21
69°
50°
22
70°
50°
23
71°
56°
24
76°
58°
25
78°
57°
26
78°
56°
27
77°
58°
28
80°
59°
29
81°
57°
30
81°
51°
31
73°
51°
1
72°
52°
2
73°
53°
3
74°
59°
4
79°
59°
5
78°
58°
6
75°
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 59° to 81°, with overnight lows between 42° and 59°. The average high for May is 69° with an average low of 50°. 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.
