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Castaic Lagoon, CA Weather Forecast
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Castaic Lagoon Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | | | | | | | | | |
| Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny |
| Lo: 60°FLo: 16°C | Hi: 93°FHi: 34°C | Lo: 70°FLo: 21°C | Hi: 98°FHi: 37°C | Lo: 60°FLo: 16°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 98°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 98°FHi: 37°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 PM PDT Wed Sep 30 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 603 PM PDT Wed Sep 30 2026
Aviation
...01/0102Z.
At 2314Z at KLAX, the marine layer was 1100 ft deep. The top of the inversion was near 3500 ft with a maximum temp of 27 C.
High confidence in VFR TAFs for KPRB, KWJF, and KPMD.
Moderate confidence in remaining TAFs. Timing of change groups may be off +/- 2 hours. CIG height accuracy +/- 300 ft of fcst.
Lowest confidence in KBUR & KVNY between 01/10-16Z. There is a 40% chance IFR CIGs do not arrive or last less than an hour.
KLAX...Moderate confidence in TAF. Arrival & clearing t...