S
M
T
W
T
F
S
29
80°
54°
30
73°
57°
31
71°
64°
1
74°
59°
2
72°
57°
3
87°
54°
4
91°
51°
5
84°
53°
6
77°
59°
7
75°
57°
8
76°
56°
9
N/A
10
68°
58°
11
70°
57°
12
67°
57°
13
68°
55°
14
69°
53°
15
71°
55°
16
70°
57°
17
71°
56°
18
68°
58°
19
70°
57°
20
70°
56°
21
72°
58°
22
75°
57°
23
71°
55°
24
67°
52°
25
66°
51°
26
66°
53°
27
65°
51°
28
65°
51°
29
66°
52°
30
66°
52°
1
67°
53°
2
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Seal Beach
Seal Beach's April 2026 forecast shows daily high temperatures ranging from 65° to 75°, with overnight lows between 51° and 58°. The average high for April is 69° with an average low of 55°. 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 Seal Beach. See also: May | June | July.