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City of Irwindale, CAIrwindale, CA Weather Forecast
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| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Mostly Clear | Sunny | Partly Cloudy | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny |
| Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 60°FLo: 16°C | Hi: 93°FHi: 34°C | Lo: 67°FLo: 19°C | Hi: 98°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C | Lo: 73°FLo: 23°C | Hi: 100°FHi: 38°C | Lo: 73°FLo: 23°C | Hi: 99°FHi: 37°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 254 PM PDT Tue Sep 29 2026 
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Issued: 1102 PM PDT Tue Sep 29 2026
Aviation
...30/0601Z.
At 0455Z at KLAX, the marine layer was 900 ft deep. The top of the inversion was at 2000 ft with a temps of 26 C.
High confidence in VFR TAFs for KPRB, KWJF, and KPMD.
There is a 15% chance for brief IFR cigs at KSBA 13Z-17Z.
There is a 20 percent chc that vis will remain above 1/2SM at KSBP/KSMX.
There is a 30 percent chc of IFR cigs at KOXR and KCMA 12Z-16Z.
There is a 30 percent chc of no low clouds at KSMO, KLAX and KLGB.
KLAX...Moderate confidence in TAF. There is a 30% chance...