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Simi, CA

53°F
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Simi, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

April

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
29
89°
41°
30
77°
45°
31
67°
55°
1
61°
50°
2
Sunny and pleasant
64°
41°
3
Sunny and warmer
81°
47°
4
Very warm with plenty of sun
85°
49°
5
Partly sunny and warm
84°
44°
6
Pleasant with some sunshine
76°
41°
7
Clouds giving way to some sun
77°
51°
8
A shower possible
75°
50°
9
A.M. rain; otherwise, cloudy
76°
48°
10
Clouds and sun with a shower
77°
46°
11
Plenty of sunshine
72°
46°
12
Plenty of sunshine
78°
47°
13
Sun through high clouds
79°
48°
14
Sunshine and a few clouds
80°
49°
15
Sun and clouds
72°
45°
16
Considerable cloudiness
74°
48°
17
Showers around in the morning
69°
49°
18
A touch of afternoon rain
68°
48°
19
A little afternoon rain
68°
46°
20
Partly sunny
67°
42°
21
Mostly sunny
67°
42°
22
Plenty of sunshine
68°
43°
23
Sunshine
69°
42°
24
Clouds and sun
70°
44°
25
Clouds and sun
70°
43°
26
Partly sunny
71°
47°
27
Plenty of sunshine
75°
48°
28
Mostly sunny
78°
50°
29
Decreasing clouds
77°
48°
30
Clouds and sunshine
78°
50°
1
Mostly sunny
78°
50°
2
Mostly sunny
77°
50°

Temperature Graph

°F
90° 80° 70° 60° 50° Apr
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
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.

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World North America United States California Simi

Weather Near Simi:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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