S
M
T
W
T
F
S
26
89°
60°
27
84°
63°
28
93°
53°
29
88°
62°
30
89°
70°
1
89°
64°
2
75°
55°
3
80°
48°
4
83°
56°
5
87°
61°
6
90°
64°
7
87°
69°
8
82°
56°
9
86°
57°
10
88°
65°
11
85°
67°
12
84°
62°
13
84°
62°
14
86°
61°
15
86°
62°
16
87°
61°
17
84°
62°
18
84°
64°
19
88°
64°
20
88°
65°
21
84°
65°
22
84°
62°
23
83°
60°
24
83°
60°
25
84°
66°
26
85°
66°
27
83°
65°
28
84°
67°
29
85°
66°
30
86°
67°
31
85°
68°
1
85°
68°
2
86°
67°
3
86°
69°
4
87°
69°
5
86°
68°
6
86°
69°
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 80° to 90°, with overnight lows between 48° and 69°. The average high for May is 85° with an average low of 64°. 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.
