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
66°
46°
8
67°
50°
9
62°
50°
10
77°
53°
11
62°
44°
12
63°
43°
13
60°
47°
14
64°
49°
15
68°
50°
16
74°
50°
17
71°
53°
18
75°
55°
19
75°
54°
20
73°
51°
21
68°
48°
22
67°
49°
23
68°
48°
24
69°
48°
25
72°
53°
26
76°
55°
27
72°
53°
28
74°
52°
29
72°
50°
30
76°
56°
31
79°
58°
1
78°
58°
2
77°
56°
3
78°
58°
4
80°
60°
5
81°
59°
6
80°
60°
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 43° and 60°. The average high for May is 72° with an average low of 52°. 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.
