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