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Rancho Cucamonga, CA
Updated 11/14/2026, 12:28:14 PM PST
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Share Rancho Cucamonga Conditions
WEATHER
66°F.
Sunny. Wind 0 mph.
7-Day Forecast →
Low 56°
High 67°
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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NWS
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Caltrans