S
M
T
W
T
F
S
29
73°
38°
30
79°
36°
31
52°
32°
1
47°
28°
2
37°
33°
3
36°
31°
4
45°
30°
5
64°
28°
6
42°
24°
7
46°
16°
8
59°
33°
9
49°
24°
10
58°
25°
11
63°
42°
12
82°
49°
13
81°
48°
14
67°
44°
15
71°
45°
16
83°
49°
17
59°
30°
18
45°
27°
19
59°
37°
20
70°
45°
21
73°
44°
22
66°
42°
23
62°
39°
24
65°
42°
25
62°
39°
26
55°
38°
27
56°
34°
28
59°
39°
29
58°
37°
30
57°
42°
1
58°
46°
2
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harrisburg
Harrisburg's April 2026 forecast shows daily high temperatures ranging from 45° to 83°, with overnight lows between 27° and 49°. The average high for April is 64° 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 Harrisburg. See also: May | June | July.
