S
M
T
W
T
F
S
29
55°
28°
30
69°
42°
31
72°
54°
1
62°
37°
2
49°
37°
3
77°
45°
4
69°
40°
5
62°
34°
6
44°
32°
7
34°
22°
8
50°
36°
9
61°
45°
10
56°
35°
11
49°
32°
12
63°
51°
13
70°
57°
14
73°
43°
15
54°
40°
16
55°
37°
17
57°
42°
18
61°
41°
19
63°
46°
20
66°
50°
21
67°
36°
22
55°
37°
23
51°
34°
24
54°
42°
25
54°
43°
26
56°
40°
27
54°
38°
28
55°
36°
29
57°
38°
30
61°
44°
1
60°
45°
2
66°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Marcellus
Marcellus's April 2026 forecast shows daily high temperatures ranging from 49° to 73°, with overnight lows between 32° and 57°. The average high for April is 59° with an average low of 41°. 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 Marcellus. See also: May | June | July.