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
92°
69°
9
97°
77°
10
95°
71°
11
97°
74°
12
96°
77°
13
99°
74°
14
89°
72°
15
87°
72°
16
85°
69°
17
86°
63°
18
88°
65°
19
88°
69°
20
87°
63°
21
94°
65°
22
85°
65°
23
79°
62°
24
90°
66°
25
86°
68°
26
90°
68°
27
87°
63°
28
88°
70°
29
97°
76°
30
103°
74°
31
100°
75°
1
99°
75°
2
100°
75°
3
98°
74°
4
97°
74°
5
100°
73°
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 88° to 103°, with overnight lows between 70° and 76°. The average high for August is 98° with an average low of 74°. 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.
