S
M
T
W
T
F
S
29
57°
28°
30
74°
44°
31
80°
60°
1
78°
51°
2
51°
41°
3
66°
41°
4
70°
42°
5
58°
42°
6
55°
41°
7
54°
32°
8
50°
29°
9
55°
30°
10
N/A
11
64°
40°
12
58°
48°
13
77°
58°
14
85°
60°
15
78°
57°
16
77°
53°
17
72°
48°
18
67°
47°
19
67°
43°
20
58°
40°
21
61°
45°
22
65°
48°
23
71°
39°
24
56°
43°
25
56°
41°
26
54°
41°
27
56°
39°
28
57°
39°
29
56°
38°
30
56°
37°
1
58°
46°
2
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Old Tappan
Old Tappan's April 2026 forecast shows daily high temperatures ranging from 54° to 85°, with overnight lows between 37° and 60°. The average high for April is 64° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Old Tappan. See also: May | June | July.
