S
M
T
W
T
F
S
29
73°
39°
30
88°
46°
31
70°
46°
1
46°
39°
2
64°
41°
3
57°
39°
4
45°
34°
5
59°
30°
6
46°
34°
7
41°
30°
8
73°
41°
9
52°
43°
10
54°
36°
11
64°
39°
12
68°
59°
13
82°
59°
14
86°
61°
15
75°
54°
16
82°
48°
17
81°
41°
18
52°
32°
19
59°
34°
20
75°
32°
21
82°
55°
22
75°
55°
23
75°
57°
24
63°
45°
25
73°
43°
26
75°
54°
27
68°
46°
28
58°
40°
29
61°
43°
30
61°
37°
1
59°
38°
2
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harrison
Harrison's April 2026 forecast shows daily high temperatures ranging from 58° to 62°, with overnight lows between 37° and 43°. The average high for April is 60° with an average low of 40°. 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 Harrison. See also: May | June | July.