S
M
T
W
T
F
S
29
80°
43°
30
84°
61°
31
83°
62°
1
85°
67°
2
80°
61°
3
83°
68°
4
71°
57°
5
65°
48°
6
71°
42°
7
71°
41°
8
78°
58°
9
76°
61°
10
74°
61°
11
73°
64°
12
80°
68°
13
83°
66°
14
78°
64°
15
71°
58°
16
77°
64°
17
80°
66°
18
79°
65°
19
83°
66°
20
82°
65°
21
80°
54°
22
82°
59°
23
81°
60°
24
82°
60°
25
82°
59°
26
81°
60°
27
80°
61°
28
81°
61°
29
82°
60°
30
81°
61°
1
81°
62°
2
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harper
Harper's April 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 54° and 68°. The average high for April is 79° with an average low of 62°. 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 Harper. See also: May | June | July.