Castaic, CA Weather Forecast

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Castaic, CA Weather Forecast

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Castaic CA weather  - Clear - 80°F
Clear
80°F
Updated 10:26 am
Feels Like 80°F
Humidity 19%
Wind E 7 mph
Barometer  30.13 in
Dew Point 35°F
Castaic CA weather  - Clear - 27°C
Clear
27°C
Updated 10:26 am
Feels Like 27°C
Humidity 19%
Wind E 11 km/h
Barometer  102 kPa
Dew Point 2°C

Castaic Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Castaic, CA Weather - Today Sunny Castaic, CA Weather - Tonight Clear Castaic, CA Weather - Friday Sunny Castaic, CA Weather - Friday Night Mostly Clear Castaic, CA Weather - Saturday Partly Cloudy Castaic, CA Weather - Saturday Night Partly Cloudy Castaic, CA Weather - Sunday Sunny Castaic, CA Weather - Sunday Night Mostly Clear Castaic, CA Weather - Monday Sunny Castaic, CA Weather - Monday Night Mostly Clear Castaic, CA Weather - Tuesday Sunny Castaic, CA Weather - Tuesday Night Clear
Sunny Clear Sunny Mostly Clear Partly Cloudy Partly Cloudy Sunny Mostly Clear Sunny Mostly Clear Sunny Clear
Hi: 93°FHi: 34°C
Lo: 63°FLo: 17°C Hi: 93°FHi: 34°C
Lo: 65°FLo: 18°C Hi: 90°FHi: 32°C
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
Lo: 59°FLo: 15°C Hi: 80°FHi: 27°C
Lo: 57°FLo: 14°C Hi: 87°FHi: 31°C
Lo: 60°FLo: 16°C
POP = Probability of Precipitation.
Weather Outlook Updated: 755 AM PDT Thu Sep 24 2026 Castaic, CA Weather - WeatherWorld.com

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Issued: 918 AM PDT Thu Sep 24 2026

Aviation

...24/1157Z.

At 0832Z at KLAX, the marine layer was 1600 ft deep. The top of the inversion was at 3300 feet with a temperature of 28 C.

High confidence in VFR TAFs for KPRB, KPMD, and KWJF.

Fair confidence in TAF for KSMX. VFR conds may arrive as early as 16Z.

Moderate confidence in the remainder of the TAFs. Flight Cat changes could be off by 2 hours and cig hgt off by +/- 300 ft.

KLAX...Moderate confidence in TAF. There is a 30 percent chc that cigs will remain AOA 010. SCT conds may arrive...