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 107. West wind 5 to 10 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: Aug 23, 2026 6:10 PM PDT.
The active forecast window currently covers Aug 25 to Aug 29, 2026 for Simi Valley, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 6:10 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Simi Valley
Tuesday looks like the warmest upcoming period in Simi Valley at 107 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Thursday Night at about 0 to 15 mph NNW.
The forecast from Aug 25 through Aug 29 stays mostly dry.
Forecast Details
- Last updated
- Aug 23, 2026 6:10 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
Mostly clear, with a low around 67.
Sunny, with a high near 106.
Mostly clear, with a low around 72.
Sunny, with a high near 95.
Partly cloudy, with a low around 72.
Mostly sunny, with a high near 94.
Mostly clear, with a low around 69.
Sunny, with a high near 92.
Mostly clear, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Sunny
|
107°F |
5 to 10 mph
W
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
67°F |
5 to 10 mph
NNE
|
|
Wednesday
Aug 26
|
Sunny
|
106°F |
5 to 10 mph
NW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
72°F |
0 to 10 mph
NNW
|
|
Thursday
Aug 27
|
Sunny
|
95°F |
0 to 10 mph
W
|
|
Thursday Night
Aug 27
|
Partly Cloudy
|
72°F |
0 to 15 mph
NNW
|
|
Friday
Aug 28
|
Mostly Sunny
|
94°F |
0 to 10 mph
W
|
|
Friday Night
Aug 28
|
Mostly Clear
|
69°F |
0 to 10 mph
NW
|
|
Saturday
Aug 29
|
Sunny
|
92°F |
0 to 10 mph
WSW
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
68°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Simi Valley.
