S
M
T
W
T
F
S
29
74°
37°
30
81°
57°
31
83°
61°
1
84°
62°
2
79°
67°
3
86°
67°
4
74°
49°
5
64°
41°
6
70°
41°
7
68°
48°
8
79°
46°
9
82°
53°
10
82°
56°
11
85°
59°
12
79°
65°
13
78°
66°
14
83°
68°
15
84°
65°
16
81°
65°
17
80°
62°
18
75°
62°
19
79°
63°
20
78°
65°
21
78°
63°
22
73°
53°
23
76°
60°
24
76°
60°
25
75°
58°
26
72°
57°
27
73°
59°
28
77°
59°
29
78°
62°
30
76°
61°
1
74°
60°
2
69°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Diaz
Diaz's April 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 53° and 68°. The average high for April is 78° with an average low of 61°. 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 Diaz. See also: May | June | July.