S
M
T
W
T
F
S
29
70°
36°
30
73°
60°
31
83°
61°
1
81°
60°
2
84°
63°
3
82°
62°
4
82°
57°
5
70°
47°
6
70°
44°
7
67°
43°
8
71°
47°
9
74°
50°
10
80°
52°
11
83°
58°
12
81°
60°
13
79°
57°
14
75°
58°
15
77°
61°
16
76°
55°
17
78°
55°
18
72°
54°
19
78°
56°
20
78°
56°
21
79°
55°
22
79°
56°
23
80°
57°
24
81°
58°
25
81°
58°
26
80°
57°
27
80°
49°
28
71°
50°
29
77°
58°
30
75°
53°
1
72°
53°
2
73°
51°
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 67° to 84°, with overnight lows between 43° and 63°. The average high for April is 77° with an average low of 55°. 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.