S
M
T
W
T
F
S
29
89°
41°
30
77°
45°
31
67°
55°
1
61°
50°
2
64°
41°
3
81°
47°
4
85°
49°
5
84°
44°
6
76°
41°
7
77°
51°
8
75°
50°
9
76°
48°
10
77°
46°
11
72°
46°
12
78°
47°
13
79°
48°
14
80°
49°
15
72°
45°
16
74°
48°
17
69°
49°
18
68°
48°
19
68°
46°
20
67°
42°
21
67°
42°
22
68°
43°
23
69°
42°
24
70°
44°
25
70°
43°
26
71°
47°
27
75°
48°
28
78°
50°
29
77°
48°
30
78°
50°
1
78°
50°
2
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Simi
Simi's April 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 41° and 51°. The average high for April is 74° 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 Simi. See also: May | June | July.
