Simi Valley, CA Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Simi Valley, CA in one place.
Partly cloudy, with a low around 57. East wind around 5 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: Jul 10, 2026 7:32 AM PDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Simi Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 7:32 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Simi Valley
Wednesday looks like the warmest upcoming period in Simi Valley at 91 degrees F.
Overnight is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph SSE.
The forecast from Jul 10 through Jul 16 stays mostly dry.
Forecast Details
- Last updated
- Jul 10, 2026 7:32 AM PDT
- Coverage
- 7 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
Sunny, with a high near 86. South southeast wind 0 to 10 mph.
Patchy fog after 5am. Mostly cloudy, with a low around 57. South southeast wind 0 to 10 mph.
Patchy fog before 11am. Partly sunny, with a high near 86. South southeast wind 0 to 10 mph.
Patchy fog after 11pm. Mostly cloudy, with a low around 57. South southwest wind 0 to 5 mph.
Patchy fog before 11am. Partly sunny, with a high near 86.
Patchy fog between 11pm and 5am. Mostly cloudy, with a low around 58.
Sunny, with a high near 85.
Mostly clear, with a low around 62.
Sunny, with a high near 87.
Mostly clear, with a low around 66.
Sunny, with a high near 91.
Mostly clear, with a low around 68.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Partly Cloudy
|
57°F |
5 mph
E
|
|
Friday
Jul 10
|
Sunny
|
86°F |
0 to 10 mph
SSE
|
|
Friday Night
Jul 10
|
Mostly Cloudy then Patchy Fog
|
57°F |
0 to 10 mph
SSE
|
|
Saturday
Jul 11
|
Patchy Fog then Partly Sunny
|
86°F |
0 to 10 mph
SSE
|
|
Saturday Night
Jul 11
|
Patchy Fog
|
57°F |
0 to 5 mph
SSW
|
|
Sunday
Jul 12
|
Patchy Fog then Partly Sunny
|
86°F |
0 to 10 mph
SSE
|
|
Sunday Night
Jul 12
|
Patchy Fog
|
58°F |
0 to 10 mph
W
|
|
Monday
Jul 13
|
Sunny
|
85°F |
0 to 10 mph
WSW
|
|
Monday Night
Jul 13
|
Mostly Clear
|
62°F |
0 to 10 mph
NW
|
|
Tuesday
Jul 14
|
Sunny
|
87°F |
0 to 10 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
66°F |
0 to 10 mph
NNE
|
|
Wednesday
Jul 15
|
Sunny
|
91°F |
0 to 10 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
5 to 10 mph
ESE
|
|
Thursday
Jul 16
|
Sunny
|
89°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Simi Valley.
