S
M
T
W
T
F
S
29
47°
35°
30
50°
34°
31
56°
33°
1
58°
39°
2
52°
44°
3
55°
43°
4
66°
41°
5
72°
42°
6
70°
42°
7
60°
42°
8
63°
38°
9
72°
40°
10
73°
42°
11
59°
46°
12
65°
48°
13
54°
48°
14
49°
41°
15
51°
36°
16
52°
36°
17
60°
40°
18
68°
38°
19
75°
44°
20
79°
46°
21
64°
48°
22
55°
42°
23
58°
38°
24
57°
33°
25
59°
30°
26
60°
38°
27
62°
42°
28
62°
41°
29
65°
40°
30
69°
45°
1
66°
42°
2
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Diablo
Diablo's April 2026 forecast shows daily high temperatures ranging from 55° to 69°, with overnight lows between 30° and 48°. The average high for April is 62° with an average low of 40°. 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 Diablo. See also: May | June | July.
