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
76°
67°
6
86°
69°
7
91°
68°
8
N/A
9
99°
76°
10
97°
77°
11
100°
74°
12
97°
71°
13
83°
67°
14
84°
67°
15
79°
66°
16
81°
65°
17
86°
68°
18
86°
64°
19
87°
64°
20
88°
63°
21
87°
66°
22
93°
72°
23
92°
71°
24
93°
72°
25
92°
71°
26
93°
71°
27
93°
70°
28
92°
70°
29
92°
68°
30
81°
67°
31
80°
68°
1
86°
69°
2
87°
69°
3
89°
68°
4
89°
68°
5
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Manhattan
Manhattan's August 2026 forecast shows daily high temperatures ranging from 79° to 100°, with overnight lows between 63° and 77°. The average high for August is 89° with an average low of 69°. 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.
