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 85. West wind 5 to 10 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: Jun 8, 2026 9:48 PM PDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Castaic, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 9:48 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Castaic
Wednesday looks like the warmest upcoming period in Castaic at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph W.
The forecast from Jun 9 through Jun 15 stays mostly dry.
Forecast Details
- Last updated
- Jun 8, 2026 9:48 PM 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
Clear, with a low around 57. Northwest wind 0 to 10 mph.
Sunny, with a high near 92. West northwest wind 0 to 10 mph.
Clear, with a low around 57. West southwest wind 0 to 10 mph.
Sunny, with a high near 90.
Mostly clear, with a low around 61.
Sunny, with a high near 90.
Mostly clear, with a low around 63.
Sunny, with a high near 90.
Clear, with a low around 59.
Sunny, with a high near 89.
Mostly clear, with a low around 60.
Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Sunny
|
85°F |
5 to 10 mph
W
|
|
Tuesday Night
Jun 9
|
Clear
|
57°F |
0 to 10 mph
NW
|
|
Wednesday
Jun 10
|
Sunny
|
92°F |
0 to 10 mph
WNW
|
|
Wednesday Night
Jun 10
|
Clear
|
57°F |
0 to 10 mph
WSW
|
|
Thursday
Jun 11
|
Sunny
|
90°F |
0 to 10 mph
SW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
61°F |
0 to 10 mph
WSW
|
|
Friday
Jun 12
|
Sunny
|
90°F |
0 to 10 mph
WSW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
63°F |
0 to 10 mph
W
|
|
Saturday
Jun 13
|
Sunny
|
90°F |
0 to 10 mph
SW
|
|
Saturday Night
Jun 13
|
Clear
|
59°F |
0 to 10 mph
WNW
|
|
Sunday
Jun 14
|
Sunny
|
89°F |
0 to 10 mph
WSW
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
60°F |
0 to 10 mph
W
|
|
Monday
Jun 15
|
Sunny
|
87°F |
0 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castaic.