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Weather Simi Valley: Current forecast

Simi Valley / California (CA) / United States

75 °F
Feels like 75.6 °F
Min 52 °F / Max 85 °F
Weather Simi Valley: Sunny, 75 °F Sunny
2.7 mph SSW
Wind
3.1 mph SSW
Gusts
1013 hPa
Pressure
0 mm
Precipitation
33 %
Humidity
5.9
UV index

Pollen (today)

Hazel None
Alder None
Birch High
Oak High
Grass Moderate
Mugwort None
Ragweed None
06:19 / 19:30
Sunrise / Sunset
07:34 / 22:44
Moonrise / Moonset
Waxing Crescent (3 %)
Moon phase

Updated: Apr 19, 2026, 20:58 CEST Apr 19, 2026, 11:58 PDT

Today's Summary

If you head out in Simi Valley today, you'll see a sunny sky. The thermometer currently shows 23.9°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 11.2°C and 29.3°C.

Hourly forecast – Simi Valley, today

Apr 19, 11:00
75 °F
Sunny
Simi Valley Apr 19, 11:00: Sunny, 75 °F
Apr 19, 12:00
80 °F
Sunny
Simi Valley Apr 19, 12:00: Sunny, 80 °F
Apr 19, 13:00
82 °F
Sunny
Simi Valley Apr 19, 13:00: Sunny, 82 °F
Apr 19, 14:00
82 °F
Sunny
Simi Valley Apr 19, 14:00: Sunny, 82 °F
Apr 19, 15:00
80 °F
Sunny
Simi Valley Apr 19, 15:00: Sunny, 80 °F
Apr 19, 16:00
78 °F
Sunny
Simi Valley Apr 19, 16:00: Sunny, 78 °F
Apr 19, 17:00
75 °F
Sunny
Simi Valley Apr 19, 17:00: Sunny, 75 °F
Apr 19, 18:00
69 °F
Sunny
Simi Valley Apr 19, 18:00: Sunny, 69 °F
Apr 19, 19:00
64 °F
Sunny
Simi Valley Apr 19, 19:00: Sunny, 64 °F
Apr 19, 20:00
61 °F
Clear
Simi Valley Apr 19, 20:00: Clear, 61 °F
Apr 19, 21:00
57 °F
Partly cloudy
Simi Valley Apr 19, 21:00: Partly cloudy, 57 °F
Apr 19, 22:00
55 °F
Clear
Simi Valley Apr 19, 22:00: Clear, 55 °F
Apr 19, 23:00
53 °F
Clear
Simi Valley Apr 19, 23:00: Clear, 53 °F
Apr 20, 00:00
52 °F
Clear
Simi Valley Apr 20, 00:00: Clear, 52 °F
Apr 20, 01:00
51 °F
Clear
Simi Valley Apr 20, 01:00: Clear, 51 °F
Apr 20, 02:00
50 °F
Clear
Simi Valley Apr 20, 02:00: Clear, 50 °F
Apr 20, 03:00
49 °F
Clear
Simi Valley Apr 20, 03:00: Clear, 49 °F
Apr 20, 04:00
49 °F
Clear
Simi Valley Apr 20, 04:00: Clear, 49 °F
Apr 20, 05:00
49 °F
Clear
Simi Valley Apr 20, 05:00: Clear, 49 °F
Apr 20, 06:00
51 °F
Clear
Simi Valley Apr 20, 06:00: Clear, 51 °F
Apr 20, 07:00
56 °F
Sunny
Simi Valley Apr 20, 07:00: Sunny, 56 °F
Apr 20, 08:00
60 °F
Sunny
Simi Valley Apr 20, 08:00: Sunny, 60 °F
Apr 20, 09:00
63 °F
Sunny
Simi Valley Apr 20, 09:00: Sunny, 63 °F
Apr 20, 10:00
66 °F
Sunny
Simi Valley Apr 20, 10:00: Sunny, 66 °F
Time
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
Simi Valley Apr 19, 11:00: Sunny
Simi Valley Apr 19, 12:00: Sunny
Simi Valley Apr 19, 13:00: Sunny
Simi Valley Apr 19, 14:00: Sunny
Simi Valley Apr 19, 15:00: Sunny
Simi Valley Apr 19, 16:00: Sunny
Simi Valley Apr 19, 17:00: Sunny
Simi Valley Apr 19, 18:00: Sunny
Simi Valley Apr 19, 19:00: Sunny
Simi Valley Apr 19, 20:00: Clear
Simi Valley Apr 19, 21:00: Partly cloudy
Simi Valley Apr 19, 22:00: Clear
Simi Valley Apr 19, 23:00: Clear
Simi Valley Apr 20, 00:00: Clear
Simi Valley Apr 20, 01:00: Clear
Simi Valley Apr 20, 02:00: Clear
Simi Valley Apr 20, 03:00: Clear
Simi Valley Apr 20, 04:00: Clear
Simi Valley Apr 20, 05:00: Clear
Simi Valley Apr 20, 06:00: Clear
Simi Valley Apr 20, 07:00: Sunny
Simi Valley Apr 20, 08:00: Sunny
Simi Valley Apr 20, 09:00: Sunny
Simi Valley Apr 20, 10:00: Sunny
Temperature (°F)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Precipitation
Wind (mph)
SSW
3
S
4
S
7
S
9
SSW
10
SW
10
WSW
9
WSW
9
W
7
W
5
W
3
WNW
2
NW
2
NW
2
WNW
2
WNW
2
NW
1
NNW
2
NE
3
ENE
3
E
4
E
3
SSE
3
S
3
Pressure (hPa)
1013
1012
1012
1011
1011
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
Humidity (%)
33 %
29 %
22 %
27 %
38 %
48 %
51 %
54 %
64 %
79 %
86 %
69 %
69 %
69 %
70 %
72 %
75 %
74 %
75 %
73 %
63 %
51 %
42 %
35 %
Cloud cover (%)
0 %
0 %
0 %
0 %
0 %
0 %
1 %
1 %
1 %
10 %
26 %
10 %
1 %
1 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %

14-day weather forecast – Simi Valley

14-day trend for Simi Valley: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 5.3°C at night, with daytime highs up to 29.3°C.

Date
Apr 19
Apr 20
Apr 21
Apr 22
Apr 23
Apr 24
Apr 25
Apr 26
Apr 27
Apr 28
Apr 29
Apr 30
May 1
May 2
Simi Valley April 19, 2026: Sunny
Simi Valley April 20, 2026: Sunny
Simi Valley April 21, 2026: Patchy rain possible
Simi Valley April 22, 2026: Sunny
Simi Valley April 23, 2026: Sunny
Simi Valley April 24, 2026: Partly cloudy
Simi Valley April 25, 2026: Partly cloudy
Simi Valley April 26, 2026: Patchy rain possible
Simi Valley April 27, 2026: Partly cloudy
Simi Valley April 28, 2026: Sunny
Simi Valley April 29, 2026: Sunny
Simi Valley April 30, 2026: Sunny
Simi Valley May 1, 2026: Sunny
Simi Valley May 2, 2026: Sunny
Temperature (°F)
Chance of rain (%)
0
0
84
0
0
0
0
88
0
0
0
0
0
0
Precipitation
1.5 mm
0 mm
0.2 mm
Wind max (mph)
10
13
14
11
15
12
11
6
10
11
13
13
15
13
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
April 19, 2026 Simi Valley April 19, 2026: Sunny Sunny 52 °F 85 °F 06:19 19:30 07:34 22:44 Waxing Crescent (3 %)
April 20, 2026 Simi Valley April 20, 2026: Sunny Sunny 48 °F 74 °F 06:17 19:31 08:27 23:55 Waxing Crescent (9 %)
April 21, 2026 Simi Valley April 21, 2026: Patchy rain possible Patchy rain possible 48 °F 64 °F 06:16 19:32 09:30 Waxing Crescent (17 %)
April 22, 2026 Simi Valley April 22, 2026: Sunny Sunny 42 °F 68 °F 06:15 19:33 10:38 00:56 Waxing Crescent (27 %)
April 23, 2026 Simi Valley April 23, 2026: Sunny Sunny 45 °F 73 °F 06:14 19:34 11:50 01:47 Waxing Crescent (38 %)
April 24, 2026 Simi Valley April 24, 2026: Partly cloudy Partly cloudy 52 °F 70 °F 06:13 19:34 12:59 02:28 First Quarter (49 %)
April 25, 2026 Simi Valley April 25, 2026: Partly cloudy Partly cloudy 50 °F 66 °F 06:12 19:35 14:05 03:03 Waxing Moon (60 %)
April 26, 2026 Simi Valley April 26, 2026: Patchy rain possible Patchy rain possible 47 °F 60 °F 06:11 19:36 15:08 03:32 Waxing Moon (70 %)
April 27, 2026 Simi Valley April 27, 2026: Partly cloudy Partly cloudy 46 °F 69 °F 06:09 19:37 16:08 03:58 Waxing Moon (79 %)
April 28, 2026 Simi Valley April 28, 2026: Sunny Sunny 49 °F 73 °F 06:08 19:37 17:08 04:23 Waxing Moon (87 %)
April 29, 2026 Simi Valley April 29, 2026: Sunny Sunny 51 °F 78 °F 06:07 19:38 18:07 04:48 Waxing Moon (93 %)
April 30, 2026 Simi Valley April 30, 2026: Sunny Sunny 53 °F 75 °F 06:06 19:39 19:06 05:15 Waxing Moon (97 %)
May 1, 2026 Simi Valley May 1, 2026: Sunny Sunny 49 °F 78 °F 06:05 19:40 20:06 05:44 Full Moon (99 %)
May 2, 2026 Simi Valley May 2, 2026: Sunny Sunny 50 °F 80 °F 06:04 19:41 21:06 06:16 Waning Moon (100 %)