S
M
T
W
T
F
S
29
73°
43°
30
86°
37°
31
66°
41°
1
48°
34°
2
45°
39°
3
41°
37°
4
45°
34°
5
63°
30°
6
46°
36°
7
45°
28°
8
73°
39°
9
48°
34°
10
54°
32°
11
66°
43°
12
70°
59°
13
84°
55°
14
84°
50°
15
72°
50°
16
82°
41°
17
75°
39°
18
52°
27°
19
59°
32°
20
77°
34°
21
84°
54°
22
79°
57°
23
75°
54°
24
63°
39°
25
68°
43°
26
68°
48°
27
63°
45°
28
54°
39°
29
57°
36°
30
55°
36°
1
57°
30°
2
64°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harlan
Harlan's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Harlan. See also: May | June | July.