S
M
T
W
T
F
S
27
63°
58°
28
64°
58°
29
70°
59°
30
75°
64°
1
77°
66°
2
82°
62°
3
71°
56°
4
65°
51°
5
67°
47°
6
65°
48°
7
66°
47°
8
66°
47°
9
64°
48°
10
67°
47°
11
63°
48°
12
66°
46°
13
70°
41°
14
59°
40°
15
59°
40°
16
60°
44°
17
65°
45°
18
68°
46°
19
68°
48°
20
65°
46°
21
67°
40°
22
57°
38°
23
55°
37°
24
56°
40°
25
65°
47°
26
66°
36°
27
55°
36°
28
53°
36°
29
55°
42°
30
64°
47°
31
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Tappan
Tappan's October 2026 forecast shows daily high temperatures ranging from 53° to 82°, with overnight lows between 36° and 66°. The average high for October is 65° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Tappan. See also: November | December | January.