S
M
T
W
T
F
S
29
86°
52°
30
81°
56°
31
63°
58°
1
68°
56°
2
65°
50°
3
75°
46°
4
83°
49°
5
85°
51°
6
68°
52°
7
70°
50°
8
77°
55°
9
73°
57°
10
68°
56°
11
60°
48°
12
59°
49°
13
64°
49°
14
67°
47°
15
68°
54°
16
69°
53°
17
68°
53°
18
71°
53°
19
70°
54°
20
71°
53°
21
64°
41°
22
65°
51°
23
66°
49°
24
66°
47°
25
65°
50°
26
65°
49°
27
66°
48°
28
65°
48°
29
66°
46°
30
65°
48°
1
67°
49°
2
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Jose
San Jose's April 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 41° and 57°. The average high for April is 67° with an average low of 50°. 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 San Jose. See also: May | June | July.