S
M
T
W
T
F
S
29
63°
39°
30
82°
46°
31
75°
43°
1
43°
38°
2
71°
40°
3
64°
42°
4
55°
41°
5
53°
35°
6
53°
36°
7
45°
29°
8
70°
53°
9
70°
50°
10
58°
38°
11
66°
53°
12
76°
60°
13
76°
60°
14
67°
47°
15
53°
36°
16
60°
44°
17
69°
49°
18
69°
48°
19
68°
50°
20
72°
54°
21
63°
41°
22
57°
37°
23
58°
47°
24
67°
47°
25
69°
46°
26
60°
40°
27
58°
39°
28
61°
48°
29
69°
50°
30
69°
50°
1
70°
46°
2
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Diamond
Diamond's April 2026 forecast shows daily high temperatures ranging from 53° to 76°, with overnight lows between 36° and 60°. The average high for April is 65° 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 Diamond. See also: May | June | July.