Union City, CA

Updated 10/10/2026, 9:04:34 PM PDT

Local Partner

WEATHER

56°F. Mostly clear. Wind 12 mph SW. 7-Day Forecast →

Low 53°High 67°

Current

AIR

AQI 31 (Good).

GoodHazardous

AQI 31

PUBLIC ALERTS

1 active alert

Coastal Flood Advisory

ROADS

I-880 • CA-84

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