Union City, CA

Updated 10/30/2026, 11:27:29 PM PDT

Local Partner

WEATHER

55°F. Partly cloudy. Wind 2 mph S. 7-Day Forecast →

Low 53°High 69°

Current

AIR

AQI 32 (Good).

GoodHazardous

AQI 32

PUBLIC ALERTS

1 active alert

Coastal Flood Advisory

ROADS

I-880 • CA-84

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