Simi Valley, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Simi Valley, CA in one place.
Sunny, with a high near 85. Northeast wind 15 to 25 mph, with gusts as high as 35 mph.
Local Weather Overview
This forecast page for Simi Valley, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 13, 2026 9:11 PM PDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Simi Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 9:11 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Simi Valley
Friday looks like the warmest upcoming period in Simi Valley at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday at about 20 to 30 mph NE.
The forecast from Oct 15 through Oct 20 stays mostly dry.
Forecast Details
- Last updated
- Oct 13, 2026 9:11 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- Radar station
- KVTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 64. Northeast wind 20 to 25 mph, with gusts as high as 40 mph.
Sunny, with a high near 87.
Clear, with a low around 66.
Sunny, with a high near 87.
Clear, with a low around 62.
Sunny, with a high near 84.
Mostly clear, with a low around 59.
Sunny, with a high near 80.
Mostly clear, with a low around 53.
Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
85°F |
15 to 25 mph
NE
|
|
Thursday Night
Oct 15
|
Clear
|
64°F |
20 to 25 mph
NE
|
|
Friday
Oct 16
|
Sunny
|
87°F |
20 to 30 mph
NE
|
|
Friday Night
Oct 16
|
Clear
|
66°F |
15 to 20 mph
NE
|
|
Saturday
Oct 17
|
Sunny
|
87°F |
10 to 20 mph
NNE
|
|
Saturday Night
Oct 17
|
Clear
|
62°F |
5 to 10 mph
NNE
|
|
Sunday
Oct 18
|
Sunny
|
84°F |
5 to 10 mph
SSE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
59°F |
0 to 10 mph
N
|
|
Monday
Oct 19
|
Sunny
|
80°F |
0 to 10 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
53°F |
5 to 10 mph
NNW
|
|
Tuesday
Oct 20
|
Sunny
|
72°F |
5 to 15 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Simi Valley.
