S
M
T
W
T
F
S
28
85°
69°
29
89°
67°
30
91°
70°
1
96°
75°
2
101°
82°
3
100°
75°
4
97°
73°
5
85°
70°
6
69°
64°
7
72°
65°
8
84°
68°
9
84°
72°
10
89°
71°
11
80°
59°
12
77°
61°
13
79°
59°
14
82°
60°
15
82°
61°
16
81°
62°
17
81°
61°
18
80°
60°
19
78°
62°
20
78°
58°
21
77°
59°
22
77°
58°
23
79°
59°
24
81°
59°
25
81°
60°
26
83°
61°
27
82°
64°
28
84°
65°
29
84°
65°
30
83°
64°
31
82°
65°
1
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Old Tappan
Old Tappan's July 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 58° and 72°. The average high for July is 80° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Old Tappan. See also: August | September | October.
