S
M
T
W
T
F
S
26
100°
74°
27
100°
80°
28
91°
76°
29
87°
75°
30
88°
76°
31
86°
70°
1
84°
63°
2
86°
61°
3
90°
65°
4
88°
68°
5
75°
66°
6
83°
68°
7
93°
69°
8
94°
74°
9
99°
75°
10
97°
73°
11
95°
72°
12
92°
69°
13
84°
66°
14
85°
68°
15
96°
73°
16
98°
72°
17
94°
70°
18
89°
69°
19
94°
73°
20
94°
72°
21
93°
73°
22
93°
72°
23
92°
71°
24
91°
72°
25
94°
70°
26
90°
69°
27
91°
70°
28
93°
71°
29
93°
69°
30
92°
70°
31
92°
70°
1
91°
69°
2
92°
70°
3
91°
70°
4
92°
69°
5
91°
69°
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 75° to 99°, with overnight lows between 66° and 75°. The average high for August is 92° with an average low of 70°. 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.
