S
M
T
W
T
F
S
26
60°
45°
27
65°
47°
28
60°
45°
29
61°
44°
30
59°
45°
1
63°
44°
2
63°
40°
3
64°
41°
4
67°
50°
5
69°
50°
6
63°
47°
7
64°
46°
8
69°
45°
9
64°
47°
10
66°
53°
11
74°
50°
12
66°
48°
13
67°
53°
14
75°
53°
15
68°
48°
16
67°
48°
17
69°
51°
18
74°
55°
19
76°
52°
20
76°
47°
21
67°
46°
22
69°
52°
23
69°
48°
24
72°
54°
25
78°
57°
26
79°
56°
27
70°
54°
28
70°
57°
29
72°
57°
30
73°
56°
31
72°
58°
1
79°
57°
2
79°
58°
3
80°
58°
4
81°
59°
5
80°
57°
6
82°
55°
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 82°, with overnight lows between 40° and 59°. The average high for May is 70° with an average low of 51°. 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.
