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Castaic, California Weather Forecast
Castaic, California Weather
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Weather Forecast for Castaic, California : Los Angeles County
Issued: 3:06 am PST Dec 18, 2025 Latitude: 34.4888822 Longitude: -118.6228656 View on Google Maps

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Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on Today Mostly Clear on Tonight Sunny on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Mostly Cloudy on Monday 20% chance of rain on Tuesday Rain on Wednesday
High: 81°F Low: 53°F High: 80°F High: 76°F High: 72°F High: 73°F High: 66°F High: 62°F
Low: 50°F Low: 49°F Low: 49°F Low: 49°F Low: 51°F  
Sunny Mostly Clear Sunny Mostly Sunny Partly Sunny Mostly Cloudy Rain Rain
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Current Conditions at
SANDBURG - (KSDB)
52°
Clear
as of 4:51 AM PST
Rel. Humidity: 53%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
20 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
VAN NUYS - (KVNY)
55°
Clear
as of 4:51 AM PST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BURBANK - (KBUR)
54°
Clear
as of 4:53 AM PST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
3 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
LANCASTER - (KWJF)
45°
Clear
as of 4:56 AM PST
Rel. Humidity: 81%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
320° Northwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 81. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 53. North wind around 15 mph, with gusts as high as 20 mph.
Sunny on Friday Friday... Sunny, with a high near 80. North wind 5 to 10 mph becoming south southwest in the morning.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 50. North wind around 10 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 76. North wind 5 to 10 mph becoming southwest in the morning.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 49.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 72.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 49.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 73.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 49.
20% chance of rain Tuesday Tuesday... A chance of rain. Mostly cloudy, with a high near 66.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 51.
Rain on Wednesday Wednesday... Rain. Cloudy, with a high near 62.
Current Radar Image


Sun Almanac for Castaic, California
Sunrise: 06:56 AM
Sunset: 4:47 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:17 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.