S
M
T
W
T
F
S
26
59°
41°
27
69°
38°
28
62°
40°
29
64°
49°
30
64°
43°
1
62°
42°
2
57°
41°
3
58°
39°
4
65°
45°
5
70°
46°
6
71°
54°
7
68°
49°
8
62°
45°
9
62°
48°
10
64°
45°
11
63°
47°
12
66°
52°
13
68°
48°
14
67°
45°
15
65°
46°
16
63°
46°
17
64°
45°
18
67°
46°
19
72°
53°
20
72°
49°
21
68°
47°
22
69°
48°
23
68°
47°
24
69°
51°
25
77°
56°
26
76°
49°
27
69°
49°
28
69°
50°
29
71°
53°
30
78°
57°
31
80°
58°
1
79°
58°
2
80°
59°
3
82°
60°
4
82°
59°
5
81°
53°
6
73°
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 57° to 82°, with overnight lows between 39° and 60°. 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.
