Castaic, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castaic, CA in one place.
Sunny, with a high near 79. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Castaic, 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: Nov 6, 2026 8:23 AM PST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Castaic, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 8:23 AM PST
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Castaic
Sunday looks like the warmest upcoming period in Castaic at 82 degrees F.
Thursday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Today at about 15 to 20 mph NNE.
The forecast from Nov 6 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 8:23 AM PST
- Coverage
- 8 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 56. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunny, with a high near 81. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Clear, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 82. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 54.
Sunny, with a high near 82.
Mostly clear, with a low around 52.
Sunny, with a high near 82.
Clear, with a low around 55.
Sunny, with a high near 81.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Sunny
|
79°F |
15 to 20 mph
NNE
|
|
Tonight
Nov 6
|
Mostly Clear
|
56°F |
15 to 20 mph
NNE
|
|
Saturday
Nov 7
|
Sunny
|
81°F |
15 to 20 mph
NNE
|
|
Saturday Night
Nov 7
|
Clear
|
54°F |
15 mph
NNE
|
|
Sunday
Nov 8
|
Sunny
|
82°F |
5 to 15 mph
NE
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
54°F |
5 to 15 mph
NNE
|
|
Monday
Nov 9
|
Sunny
|
82°F |
0 to 5 mph
NW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
52°F |
5 to 15 mph
NNW
|
|
Tuesday
Nov 10
|
Sunny
|
82°F |
5 mph
NNE
|
|
Tuesday Night
Nov 10
|
Clear
|
55°F |
5 to 15 mph
N
|
|
Veterans Day
Nov 11
|
Sunny
|
81°F |
5 to 10 mph
NNE
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
54°F |
5 to 10 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
76°F |
0 to 10 mph
S
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
51°F |
5 to 10 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castaic.