S
M
T
W
T
F
S
29
47°
39°
30
52°
36°
31
58°
37°
1
55°
40°
2
51°
43°
3
55°
44°
4
65°
40°
5
70°
46°
6
69°
43°
7
57°
41°
8
63°
46°
9
71°
51°
10
72°
50°
11
61°
48°
12
58°
45°
13
55°
42°
14
55°
44°
15
56°
40°
16
57°
44°
17
58°
46°
18
60°
47°
19
60°
45°
20
63°
45°
21
64°
44°
22
55°
40°
23
56°
38°
24
54°
38°
25
55°
39°
26
56°
39°
27
59°
40°
28
60°
40°
29
56°
41°
30
56°
43°
1
57°
41°
2
56°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harrison Mills
Harrison Mills's April 2026 forecast shows daily high temperatures ranging from 54° to 72°, with overnight lows between 38° and 51°. The average high for April is 59° with an average low of 43°. 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 Harrison Mills. See also: May | June | July.