S
M
T
W
T
F
S
29
84°
54°
30
79°
57°
31
64°
59°
1
68°
57°
2
64°
54°
3
73°
48°
4
81°
50°
5
81°
52°
6
64°
52°
7
64°
50°
8
73°
54°
9
72°
57°
10
68°
57°
11
64°
52°
12
61°
50°
13
64°
50°
14
64°
48°
15
64°
46°
16
70°
50°
17
72°
50°
18
73°
48°
19
73°
54°
20
70°
55°
21
60°
50°
22
67°
48°
23
72°
50°
24
67°
51°
25
63°
51°
26
66°
51°
27
68°
52°
28
69°
53°
29
72°
52°
30
72°
54°
1
73°
52°
2
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Cupertino
Cupertino's April 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 48° and 54°. The average high for April is 68° with an average low of 51°. 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 Cupertino. See also: May | June | July.
