S
M
T
W
T
F
S
26
86°
62°
27
90°
68°
28
85°
68°
29
81°
69°
30
77°
66°
31
88°
65°
1
90°
68°
2
88°
75°
3
86°
69°
4
85°
64°
5
87°
67°
6
95°
76°
7
94°
73°
8
92°
71°
9
90°
73°
10
89°
70°
11
87°
72°
12
86°
71°
13
86°
72°
14
88°
65°
15
83°
67°
16
80°
68°
17
82°
68°
18
85°
66°
19
84°
64°
20
85°
61°
21
82°
64°
22
80°
60°
23
82°
63°
24
83°
62°
25
82°
61°
26
81°
62°
27
77°
61°
28
77°
57°
29
77°
57°
30
82°
63°
31
84°
64°
1
83°
64°
2
84°
63°
3
84°
64°
4
83°
64°
5
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tappan
Tappan's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 57° and 68°. The average high for August is 82° with an average low of 63°. 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 Tappan. See also: September | October | November.
