S
M
T
W
T
F
S
29
52°
41°
30
54°
48°
31
59°
48°
1
54°
48°
2
52°
41°
3
52°
50°
4
54°
48°
5
52°
41°
6
57°
43°
7
59°
48°
8
68°
48°
9
54°
45°
10
52°
43°
11
52°
43°
12
52°
41°
13
52°
36°
14
55°
50°
15
57°
52°
16
55°
52°
17
55°
48°
18
55°
41°
19
55°
41°
20
55°
41°
21
54°
48°
22
54°
50°
23
57°
50°
24
57°
50°
25
61°
48°
26
58°
47°
27
63°
48°
28
59°
46°
29
65°
54°
30
61°
51°
1
60°
49°
2
57°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harlyn
Harlyn's April 2026 forecast shows daily high temperatures ranging from 57° to 65°, with overnight lows between 46° and 54°. The average high for April is 60° with an average low of 49°. 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 Harlyn. See also: May | June | July.