S
M
T
W
T
F
S
29
90°
48°
30
90°
61°
31
82°
52°
1
65°
42°
2
81°
46°
3
75°
39°
4
66°
34°
5
73°
43°
6
74°
40°
7
69°
46°
8
75°
50°
9
70°
47°
10
64°
46°
11
68°
45°
12
69°
47°
13
75°
46°
14
68°
40°
15
70°
45°
16
69°
41°
17
68°
49°
18
72°
49°
19
74°
48°
20
75°
50°
21
75°
51°
22
74°
51°
23
75°
50°
24
73°
50°
25
70°
46°
26
67°
46°
27
65°
47°
28
75°
50°
29
67°
45°
30
66°
51°
1
76°
52°
2
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harmon
Harmon's April 2026 forecast shows daily high temperatures ranging from 64° to 77°, with overnight lows between 34° and 53°. The average high for April is 71° 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 Harmon. See also: May | June | July.