S
M
T
W
T
F
S
26
84°
62°
27
83°
65°
28
85°
65°
29
85°
64°
30
84°
65°
31
83°
65°
1
84°
64°
2
83°
65°
3
84°
65°
4
85°
64°
5
84°
62°
6
82°
62°
7
83°
65°
8
85°
59°
9
77°
58°
10
77°
57°
11
78°
61°
12
77°
63°
13
79°
63°
14
79°
64°
15
80°
64°
16
82°
60°
17
80°
55°
18
77°
56°
19
77°
60°
20
79°
61°
21
81°
62°
22
82°
60°
23
81°
60°
24
81°
56°
25
75°
55°
26
76°
55°
27
74°
56°
28
74°
54°
29
75°
54°
30
75°
57°
31
78°
61°
1
80°
61°
2
81°
60°
3
81°
53°
4
79°
52°
5
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Upper Nyack
Upper Nyack's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 52° and 65°. The average high for August is 80° with an average low of 60°. 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 Upper Nyack. See also: September | October | November.
