S
M
T
W
T
F
S
29
65°
30°
30
74°
57°
31
79°
61°
1
70°
44°
2
81°
44°
3
78°
64°
4
80°
52°
5
49°
36°
6
59°
32°
7
45°
30°
8
64°
28°
9
76°
46°
10
72°
49°
11
62°
40°
12
N/A
13
77°
62°
14
85°
63°
15
84°
62°
16
75°
58°
17
79°
58°
18
82°
48°
19
55°
35°
20
57°
39°
21
66°
40°
22
71°
51°
23
69°
51°
24
70°
49°
25
69°
42°
26
60°
39°
27
60°
40°
28
61°
38°
29
62°
41°
30
61°
38°
1
62°
42°
2
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Harrisburg
Harrisburg's April 2026 forecast shows daily high temperatures ranging from 55° to 85°, with overnight lows between 35° and 63°. The average high for April is 68° with an average low of 47°. 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 Harrisburg. See also: May | June | July.
