S
M
T
W
T
F
S
29
78°
49°
30
84°
65°
31
83°
69°
1
78°
65°
2
80°
61°
3
76°
53°
4
58°
42°
5
62°
37°
6
70°
38°
7
74°
46°
8
76°
54°
9
79°
59°
10
74°
59°
11
80°
63°
12
69°
64°
13
81°
69°
14
80°
60°
15
77°
53°
16
78°
60°
17
75°
60°
18
75°
62°
19
76°
63°
20
78°
60°
21
71°
49°
22
67°
55°
23
76°
57°
24
76°
56°
25
74°
54°
26
70°
55°
27
74°
56°
28
77°
57°
29
76°
58°
30
74°
57°
1
75°
56°
2
68°
52°
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 67° to 81°, with overnight lows between 49° and 69°. The average high for April is 75° with an average low of 58°. 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.