S
M
T
W
T
F
S
29
88°
57°
30
88°
65°
31
91°
67°
1
91°
72°
2
93°
73°
3
89°
74°
4
93°
62°
5
62°
54°
6
77°
55°
7
79°
53°
8
78°
58°
9
80°
67°
10
83°
66°
11
86°
71°
12
82°
73°
13
89°
72°
14
90°
72°
15
89°
73°
16
88°
71°
17
91°
72°
18
88°
60°
19
60°
54°
20
71°
58°
21
78°
68°
22
86°
71°
23
86°
71°
24
85°
74°
25
89°
74°
26
87°
75°
27
92°
73°
28
94°
77°
29
95°
75°
30
89°
75°
1
76°
60°
2
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Diego
San Diego's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Diego. See also: May | June | July.
