S
M
T
W
T
F
S
26
86°
59°
27
86°
54°
28
89°
54°
29
87°
56°
30
85°
59°
31
87°
57°
1
97°
58°
2
76°
51°
3
60°
38°
4
74°
37°
5
77°
47°
6
71°
46°
7
76°
44°
8
79°
54°
9
76°
54°
10
76°
49°
11
73°
53°
12
59°
53°
13
62°
51°
14
67°
53°
15
73°
46°
16
80°
50°
17
75°
53°
18
75°
51°
19
81°
56°
20
81°
56°
21
81°
56°
22
87°
56°
23
91°
60°
24
76°
51°
25
77°
46°
26
84°
52°
27
88°
57°
28
84°
56°
29
85°
51°
30
66°
48°
31
71°
45°
1
80°
50°
2
83°
53°
3
76°
45°
4
83°
55°
5
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Harlem
Harlem's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Harlem. See also: September | October | November.