S
M
T
W
T
F
S
26
100°
74°
27
100°
80°
28
91°
76°
29
87°
75°
30
85°
74°
31
89°
62°
1
83°
61°
2
85°
62°
3
87°
65°
4
91°
66°
5
87°
68°
6
93°
73°
7
98°
72°
8
95°
70°
9
94°
72°
10
97°
74°
11
97°
73°
12
101°
75°
13
87°
68°
14
87°
67°
15
90°
71°
16
93°
72°
17
93°
72°
18
94°
71°
19
92°
70°
20
88°
70°
21
87°
69°
22
84°
70°
23
86°
69°
24
84°
67°
25
82°
66°
26
84°
64°
27
83°
67°
28
80°
67°
29
81°
68°
30
81°
68°
31
83°
67°
1
86°
68°
2
82°
64°
3
83°
66°
4
83°
67°
5
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Manhattan
Manhattan's August 2026 forecast shows daily high temperatures ranging from 80° to 101°, with overnight lows between 61° and 75°. The average high for August is 88° 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 Manhattan. See also: September | October | November.
