Costa Mesa, CA

Updated 10/31/2026, 1:55:13 AM PDT

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WEATHER

61°F. Slight chance light rain. Wind 5 mph E. 7-Day Forecast →

Low 61°High 69°

Current

AIR

AQI 53 (Moderate).

GoodHazardous

AQI 53

PUBLIC ALERTS

No active federal alerts reported.

ROADS

I-405 • CA-55 • CA-73

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