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City of Irwindale, CAIrwindale, CA Weather Forecast
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| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Partly Cloudy | Partly Cloudy | Partly Cloudy | Fog | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Cloudy | Chance of Showers | Mostly Clear | Sunny | Clear |
| Hi: 90°FHi: 32°C | Lo: 67°FLo: 19°C | Hi: 93°FHi: 34°C | Lo: 67°FLo: 19°C | Hi: 93°FHi: 34°C | Lo: 70°FLo: 21°C | Hi: 83°FHi: 28°C | Lo: 63°FLo: 17°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 67°FLo: 19°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Thu Sep 24 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 500 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...