S
M
T
W
T
F
S
29
88°
55°
30
73°
54°
31
69°
62°
1
70°
59°
2
68°
56°
3
82°
54°
4
86°
58°
5
84°
54°
6
78°
58°
7
77°
56°
8
78°
55°
9
74°
58°
10
75°
59°
11
71°
57°
12
65°
55°
13
64°
51°
14
71°
50°
15
73°
51°
16
73°
54°
17
78°
52°
18
82°
58°
19
77°
54°
20
72°
54°
21
72°
53°
22
71°
51°
23
72°
53°
24
74°
54°
25
75°
53°
26
74°
55°
27
75°
54°
28
77°
56°
29
77°
55°
30
76°
52°
1
78°
53°
2
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mission Viejo
Mission Viejo's April 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 51° and 58°. The average high for April is 76° with an average low of 54°. 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 Mission Viejo. See also: May | June | July.
