S
M
T
W
T
F
S
29
49°
29°
30
65°
42°
31
68°
48°
1
78°
50°
2
52°
41°
3
58°
41°
4
70°
41°
5
57°
42°
6
57°
41°
7
56°
33°
8
45°
30°
9
46°
40°
10
53°
46°
11
62°
45°
12
51°
46°
13
66°
58°
14
74°
58°
15
78°
56°
16
71°
54°
17
69°
51°
18
67°
46°
19
62°
47°
20
63°
48°
21
65°
47°
22
62°
43°
23
56°
40°
24
57°
48°
25
57°
46°
26
56°
46°
27
57°
44°
28
58°
44°
29
57°
42°
30
57°
42°
1
59°
51°
2
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Oceanside
Oceanside's April 2026 forecast shows daily high temperatures ranging from 46° to 78°, with overnight lows between 40° and 58°. The average high for April is 61° with an average low of 47°. 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 Oceanside. See also: May | June | July.
