S
M
T
W
T
F
S
29
59°
33°
30
74°
31°
31
76°
41°
1
42°
28°
2
61°
28°
3
61°
39°
4
54°
36°
5
42°
32°
6
47°
23°
7
36°
22°
8
57°
27°
9
66°
46°
10
50°
37°
11
54°
27°
12
78°
41°
13
75°
59°
14
75°
62°
15
70°
60°
16
66°
54°
17
73°
49°
18
65°
41°
19
46°
30°
20
47°
25°
21
70°
37°
22
72°
42°
23
81°
42°
24
80°
57°
25
57°
41°
26
66°
39°
27
71°
42°
28
61°
46°
29
51°
41°
30
54°
34°
1
46°
31°
2
53°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Ithaca
Ithaca's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Ithaca. See also: May | June | July.