S
M
T
W
T
F
S
26
84°
64°
27
84°
64°
28
83°
63°
29
83°
63°
30
82°
59°
31
76°
57°
1
76°
57°
2
77°
58°
3
78°
59°
4
78°
57°
5
79°
57°
6
80°
60°
7
80°
63°
8
79°
62°
9
77°
62°
10
80°
56°
11
79°
56°
12
80°
57°
13
79°
61°
14
80°
62°
15
82°
61°
16
82°
63°
17
83°
62°
18
82°
61°
19
80°
54°
20
77°
54°
21
75°
55°
22
75°
54°
23
76°
53°
24
75°
54°
25
77°
54°
26
80°
53°
27
79°
54°
28
75°
57°
29
75°
55°
30
73°
56°
31
78°
58°
1
80°
52°
2
77°
51°
3
72°
50°
4
73°
52°
5
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Clarkstown
Clarkstown's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 50° and 64°. The average high for August is 78° with an average low of 58°. 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 Clarkstown. See also: September | October | November.