S
M
T
W
T
F
S
31
76°
44°
1
75°
51°
2
77°
46°
3
82°
56°
4
86°
53°
5
90°
58°
6
89°
64°
7
85°
63°
8
76°
57°
9
82°
51°
10
84°
65°
11
93°
70°
12
94°
72°
13
88°
68°
14
91°
64°
15
76°
60°
16
76°
53°
17
83°
56°
18
89°
69°
19
83°
68°
20
83°
64°
21
84°
62°
22
85°
64°
23
72°
64°
24
82°
60°
25
85°
59°
26
83°
66°
27
78°
68°
28
80°
66°
29
87°
67°
30
92°
69°
1
100°
76°
2
101°
77°
3
100°
73°
4
93°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Trenton
Trenton's June 2026 forecast shows daily high temperatures ranging from 78° to 101°, with overnight lows between 66° and 77°. The average high for June is 91° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Trenton. See also: July | August | September.