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Rancho Cucamonga, CA
Updated 10/24/2026, 11:38:05 PM PDT
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Share Rancho Cucamonga Conditions
WEATHER
62°F.
Clear. Wind 0 mph.
7-Day Forecast →
Low 55°
High 75°
Current
AIR
AQI 115 (Unhealthy for Sensitive Groups).
Good
Hazardous
AQI 115
PUBLIC ALERTS
No active federal alerts reported.
ROADS
I-15 • CA-210
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Sources
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Caltrans