S
M
T
W
T
F
S
26
52°
38°
27
68°
40°
28
67°
47°
29
61°
48°
30
61°
40°
1
57°
39°
2
54°
37°
3
56°
39°
4
62°
44°
5
65°
50°
6
67°
46°
7
66°
47°
8
64°
48°
9
64°
47°
10
66°
48°
11
66°
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 52° to 82°, with overnight lows between 37° and 60°. The average high for May is 68° 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.
